Green Words for the 21st Century

            
    Abatement: Reducing the degree or intensity of, or altogether eliminating pollution.
    Abiotic:  The absence of living organisms.
    Ablation: When ice and snow melts, evaporates, or detaches from a surface.
    Ablation Zone:  The part of the glacier where losses (from melting, calving, evaporation) exceed
    additions.
    Absolute Zero:  -273.15C (or -459.67F) point at which all matter ceases to vibrate/move, where no
    heat energy exists, nothing can be colder.
    Absorbed Solar Radiation:  Solar radiation absorbed by the atmosphere's gases, suspended materials,
    clouds, or by the earth's surface.
    Acclimatization: The process of an organism adapting to a change in its environment.
    Accumulation Zone: That high part of a glacier, where annual gain of snow and ice, exceeds the
    losses.
    Acre-foot: The amount of water required to cover one acre of surface area of to a depth of one foot.
    The area of one foot by 66 by 660 feet equals a volume of 326,851 gallons, or 1,233,500 litres, or
    1,233.5 cubic meters, or 43,560 cubic feet.
    Acid Rain:  Precipitation having been altered by acidic airborne pollutants.  The acidity occurs when
    water, sulphur dioxide, and nitrogen oxides, released by industrial processes, are chemically
    transformed into sulphuric and nitric acids, which become trapped in, and carried by clouds and are
    then later released as acidic precipitation.  Aka acid deposition, which also includes dry acidic gases
    and particulates.
    Acidic:  Soils or water with a pH value below 7.0.
    Acrolein:  A common emission from automobiles, is formed as an oxidation product of butadiene.
    Adaptation Fund: Was established by the UN to help protect those most vulnerable to the adverse
    effects of climate change, like drought, flooding and severe storms. Originally established under the
    Kyoto Protocol, it was made easier to access during the Bali Conference, 2007.
    Adiabatic: Changes in air temperature, volume, pressure, in a given quantity of air, that occurs as a
    consequence of vertical movement of the air, without loss or gain of heat.
    Additionality:  An offset term meaning your purchased offset will go to a project that really helps
    reduce 'additional' carbon dioxide emissions, and not toward reductions that would have happened
    anyway.
    Aeolian:  The action or the effect of wind.
    Aerobiology:  The study of living organisms which become suspended in the atmosphere by the wind,
    and the consequences thereof.
    Aerosols: Solid or liquid particles suspended in the atmosphere. Aerosols cool the earth's surface but
    warm the atmosphere.  Also refers to a liquid substance packed under pressure, released in a fine
    spray.
    Aerosol Size Distribution:  The different size aerosols that are suspended in the atmosphere, and
    their amounts, which affect the scattering of sunlight, visibility, cloud denseness and sky color.
    Aestival:  Early summer, one of the six seasons used by Ecologists to more completely define seasonal
    conditions.
    Afforestation:  The establishment of a forest on an area not previously forested, or on land from
    which forest  has  been long absent.
    Aflatoxins:  A group of closely related naturally occurring toxic metabolites that are designated
    mycotoxins. They are produced by many species of Aspergillus, a fungus, and found in many food
    products.  Aflatoxins are toxic and carcinogenic.
    African Jet:  A low-level summertime easterly jet over the Sahara Desert of North Africa. Some
    become hurricanes that move westward to the Americas.
    Afternoon Effect:  The trapping of acoustic energy near the surface of a large body of water due to
    solar heating on days without wind.
    Aggressive Water:  Acidic water that is corrosive to metals.
    Agricultural Waste: Manure and residual wastes generated from the production and marketing of
    poultry or livestock. Also includes vegetable, grain, sugar and fruit harvest residue.
    Agroecology:  Ecologically sustainable agricultural methods.
    Agroforestry: An integration of agriculture and forestry. Any agricultural system which combines the
    planting or encouragement of trees, shrubs or plants on the same land where animals are raised, or
    agricultural crops are grown.
    Agronomy:  The science and economics of crop production and soil management.
    Agulhas Current or Stream: Flows down the east coast of Africa and is the western boundary current
    in the southern Indian Ocean. It is one of the swiftest and largest ocean currents.
    Air Quality Model:  Mathematical or computer model used to estimate present or future air quality.
    Air Quality Standards:  Maximum legal concentration limits of air pollutants averaged over specified
    time periods.
    Air Stagnation:  A major buildup of air pollution in the atmosphere, occurring when an air mass stalls
    over the same area for several days; and light winds cannot disperse the buildup of smoke, dust,
    gases, and other air pollution.
    Airborne Fraction: Is the fraction of man made carbon emissions which remain in the atmosphere
    after natural processes have absorbed some of them.
    Airborne Particulates:  Fine particles suspended in the air. Particles smaller than 25 microns in
    diameter enter the lungs and can be harmful.
    Alachlor:  Is a widely used herbicide in the United States, used to control annual grasses and broad
    leaved weeds. Pollutes groundwater. Men with high alachlor levels are prone to low sperm quality.
    Alaska Current: A shallow counterclockwise offshoot of the North Pacific current carrying relatively
    warm water northward.
    Albedo:  That fraction of radiation, striking a surface, that is reflected by that surface, i.e., snow and
    ice have a high albedo, 75-95% for fresh snow and asphalt roads have a low albedo of  5-10 %. Thus,
    land use changes and greenhouse gases have significant effect on albedo. The average albedo for the
    Earth is 30 percent.
    Alert Threshold:  A pollution incident, bacterium level, etc. above which there is a threat to human
    health.
    Aleutian Current: Aka the Subarctic Current. A southern flowing current north of the North Pacific
    Current. Flowing along the southern coasts of the Aleutian Islands. It divides to form the northward-
    flowing Alaska current and the southward-flowing California Current.
    Algal bloom:  Sudden, extensive growths of  algae, which develop in lakes, reservoirs and
    waterways, which affect water quality and are a sign of adverse changes in the local water chemistry.
    Algorithm:  A set of well-defined procedures or formula for the systematic solution of a certain
    problem in a finite number of steps, usually in a computer program.
    All-hallown summer: A extended summer of unseasonable warmth, occurring till All Hallows Day (All
    Saints Day).
    Alluvial soil:  A fine fertile soil deposited by water into flood plains or in river beds. Also referring to
    the geological deposition of mud and/or sand by flowing water.
    Alternative energy:  Energy that does not come from fossil fuels.
    Altitudinal vegetation zones:  Aka life zones, distinct mountain zones corresponding to complex
    gradations of altitude, temperature, precipitation, wind, species, soil, etc. We will see species and
    vegetation losses as global warming pushes these zones upward toward the summit with nowhere left
    to go, see escalator effect.
    Ambient:  Of the surrounding area or environment.
    Amateurization: When a group of non-professionals organise for their's, and the greater good.
    Anaerobic Digestion:  When anaerobic bacteria break down matter in an oxygen-free environment
    and produce an energy-rich, over 60% methane biogas, which can be used to generate energy or
    power vehicles.
    Anhydrous:  A compound that contains no or almost no water, i.e., anhydrous ethanol, has one
    percent water content.
    Anemometer:  Instruments designed to measure wind speed and direction.
    Annex I:  Developed countries with Kyoto Article 3 targets.
    Antarctic Bottom Water:  Very dense, cold bottom water with high salinity, that moves in an
    easterly direction around the Antarctic.
    Antarctic Circumpolar Current:  Cold, eastward flowing current with low salinity, that circles
    Antarctica and extends from the surface to the ocean floor. The largest and most important ocean
    current in the Southern hemisphere, as it keeps the warm waters of the Indian, South Pacific and
    South Atlantic Oceans away from Antarctica. Aka the West Wind Drift.
    Antarctic Intermediate Water:  Formed at about 50 degrees latitude when the cold, low salt,
    Antarctic surface water sinks to depths of 900 m and spreads northward.
    Antarctic Polar Current:  A westward blowing surface current circumambulating Antarctica.
    Antarctic Ocean: The Ocean waters that surround Antarctic up to 40 degrees latitude, the northern
    limit of drift ice, where ocean temps and salinity change.
    Antarctic Ozone Hole:  A hole in the ozone layer discovered in the mid 1980s, that occurs in the
    winter/spring over Antarctica and to a lesser extent the North Pole. It has been found that CFC
    molecules deplete the ozone layer.
    Anthropogenic: Induced by humans.
    Anthropogenic Aerosols:  Aerosols made by human activities, about ten percent of all aerosols in the
    atmosphere.
    Anticyclonic: Rotating clockwise in the Northern Hemisphere and counterclockwise in the Southern
    Hemisphere, undefined at the equator. The toilet bowl thing.
    Antitoxin:  An antibody with the ability to neutralize or inactivate a specific toxin (forming an
    antigen).
    Apparent Temperature: The measure of perceived temperature due to combined heat and humidity
    (heat index) or heat and wind chill, used to describe discomfort.
    Aquaculture:  The controlled rearing of commercial fish or shellfish.
    Aquifer:  Fresh water stored underground in geological formations that are easily accessed, readily
    giving up their water to wells and springs.
    Arctic Bottom Water:  The cold water mass in the Arctic Ocean beneath the Atlantic Water (of
    Atlantic origin). Freezing increases the salinity of the water beneath the ice and the resultant dense
    water sinks to the bottom.
    Arctic Ocean:  A roughly circular basin that covers an area slightly less than 1 and a half times the size
    of the United States. The smallest and shallowest of the major oceans, with the lowest salinity.   It is
    surrounded by Eurasia, Greenland and North America. It's temperature and salinity vary seasonally as its
    floating ice cover melts or freezes.
    Arctic Oscillation: Opposing atmospheric pressure patterns at the polar and middle latitudes which
    fluctuate between negative and positive phases. Since the 1970s, the oscillation has tended to stay in
    the positive pattern, where frigid winter air stays further north, ocean storms stay farther north, and
    there is more precipitation in Alaska, the British Isles and Scandinavia and this creates drier conditions
    in areas such as the SW US, Spain and the Middle East.
    Arctic Polar Front:  Temperature and salinity fronts. In the Atlantic, the front between the warm and
    saline Gulf Stream and the cold and fresh Labrador Current, aka as the cold wall. In the Pacific, the
    front between the Polar water and northern flowing currents.
    Arctic Surface Water:  The upper 150 m in the Arctic Ocean, having a temperature of −1.5° to −1.9°C.
    Arctic Tree Line:  The latitudinal limit of tree growth; the division between tundra and boreal forest.
    Arid:  Dry regions where agriculture is impracticable without irrigation. A climate with an aridity
    index of .05-.20. See aridity zones. Aridity is highest in the hyper-arid Sahara (which is larger than
    the continental US) and the Chilean-Peruvian desert.
    Aridity Index: Aridity Index is an indicator of moisture deficit in a climatic area. Determined by
    dividing the mean precipitation by the mean potential evaporation in a given unit of time.
    Aridity Zones:  There are four zones; dry sub-humid, semi-arid, arid and hyper-arid.
    Aromatics: A type of ringed six-carbon hydrocarbon, such as benzene, toluene and xylene. Added to
    gasoline to increase its octane, commonly referred to as the BTX  group.
    Artificial Recharge: The engineered introduction of surface water into an underground aquifer
    through recharge wells, boreholes,etc.
    Aspartame: Is a chemical sweetener found in diet soft drinks (since 1983) and in over 6,000 foods,
    drugs and medicines. Complaints about aspartame account for 75% of all complaints against food
    additives to the American FDA. Donald Rumsfeld was influential in aspartame getting its FDA approval,
    as he was the CEO of Searle, its manufacturer. The FDA has compiled a list of 92 symptoms from
    thousands and thousands of complaints against aspartame, which is comprised of 50 percent synthetic
    phenylalanine, 40 percent synthetic aspartic acid and 10 percent methanol.
    Assisted Migration:  Is the intentional repopulating of a species from their present habitat to a new
    region with the intent of establishing a presence in an area the species did not before inhabit.
    Atmometer:  An instrument that measures the rate of evaporation of water into the air.
    Atmospheric Boundary Layer:  The thin bottom layer of the troposphere contiguous to the earth's
    surface.
    Atmospheric Column:  A vertical column of air defined by a unit area on the ground, many times a
    square or  rectangular land area, and bounded by the top of the atmosphere.  Once the physics and
    chemistry of the components in the column are determined they are used as reference points for on
    going changes in the future.
    Atmospheric Window: A range of the electromagnetic spectrum that is radiated back through the
    atmosphere with little absorption of radiation by atmospheric gases. The window is naturally open
    allowing heat to reflect back out into space. Water vapor and other greenhouse gases absorb this
    radiation and narrow the window and less waves are reflected with more heat returned to the Earth...
    (the greenhouse effect)
    Autarky:  When a country attempts self sufficiency and does not engage in international trade.
    Autotroph:  An organism capable of making its own food (a producer) by synthesizing complex organic
    materials from simple inorganic compounds, by using sunlight or chemical energy. Producers are a vital part
    of the food chain, and at its base.
    Available Water:  The water in soil that can be readily absorbed by plant roots.
    Azimuth:  The orientation of a Solar Cell relative to direction, 180 degrees refers to due South, 90
    refers to due East, and 270 degrees due West.
    Azinphos-Methyl:  Is one of the most toxic of the organophosphate insecticides. Like other
    organophosphates, azinphos-methyl inhibits cholinesterase, an enzyme involved in the transmission of
    nerve signals.
                                                                        B
    B100:  100% Biodiesel.
    Backfire:  A fire intentionally set, to stop an advancing fire, by creating a burned out area in the fire's
    path.
    Background Pollution:  Naturally occurring pollutants that are well distributed in our atmosphere.
    Which are measured in undisturbed areas. A base level above which local pollutants are cumulative to.
    Backscatter: The reflection of waves or particles back to the direction from which they came, as
    when some solar radiation is reflected or scattered back out to space by the atmosphere.
    Balkanize: To fragment or divide into non-cooperative pieces.
    Banking Emissions: Air pollution reductions put in the 'bank' for future use.
    Barrel:  42 US Gallons.
    Barrels Per Day Equivalent:  A unit of measure that states how much oil would have to be burned to
    produce an equal amount of energy.
    Basal Sliding or Slip:  The movement of a glacier on its bed.
    Base Flood:  Also known as a 100 year flood, a standard for floodplain management is 'the base', or one
    percent chance flood, which has at least one chance in 100 of occurring in any given year.
    Basket of Gases: The group of six greenhouse gases regulated under the Kyoto Protocol. They are
    listed in Annex A of the Kyoto Protocol and include: carbon dioxide (CO2), methane (CH4), nitrous
    oxide (N2O), hydrofluorocarbons (HFCs), perfluorocarbons (PFCs), and sulphur hexafluoride (SF6).
    Baseline Emissions:  The emissions that would occur without policy/Government intervention.
    Baseline methodology will differ, yet baseline estimates are helpful to determine the effectiveness of
    emissions reduction, or mitigation schemes.
    Beaufort Scale:  A 0 to 12 wind scale system used to estimate and report wind speeds when no
    measuring apparatus is available.  The highest force 12 describes all winds over 121 km/h. Since winds
    exceed 121 miles an hour other scales have been devised to categorize strong storm winds.
    Beetle Analysis: A technique using radiocarbon dated beetle remains, that can reconstruct past
    environments and climates, in particular estimates of past temperatures and precipitation.
    Beginning of Freezeup:  The date when ice forming a stable winter ice cover, is first observed on
    the water surface.
    Beginning of the Breakup: The date of definite breaking up, movement, or melting of ice cover.
    Benzene:  Millions of tons of man made benzene are produced each year in the U.S.. Benzene is used
    widely as a building block for polymers, plastics, rubber, resins, adhesives, and synthetic fabrics, and
    is used as a solvent in dyes, paints, paint brush cleaners, dry cleaners, pesticides, etc... Benzene is also
    a natural constituent of crude oil, gasoline, and cigarette smoke. Benzene is used as a gasoline
    additive, as it boosts octane levels in fuel. The US currently allows gasoline with a benzene content of
    up to 1.0% by volume (many countries do not allow benzene in gasoline). The Department of Health
    and Human Services has determined benzene a known human carcinogen.
    Bergy Bit:  A small piece of ice which has broken away from an iceberg, or is the remains of a melting
    iceberg and is less than 5 meters (15 feet) in size.
    BHA, BHT:  Butylated hydroxyanisole (BHA) and butylated hydroxytoluene (BHT) are synthetic
    antioxidants that are often added to processed foods and cosmetics to preserve fats and oils.  BHA and
    BHT are not allowed on fresh foods.
    Bicarbonate and carbonate ions: This is the buffering capacity of the world's oceans. Much of the CO2
    added to the atmosphere will eventually be absorbed by the oceans and become ionic compounds, but
    the process takes hundreds of years because the carbon dioxide only comes into contact with the
    water's surface and the carbon dioxide gas has to partition into many compounds.
    Bioaccumulation: An increase in the concentration of a chemical in a biological organism over time.
    Bioacoustics:  The field science that studies the sounds of nature.
    Bioassay: A procedure used to determine the concentration, toxicity, and/or biological activity of a  
    substance in comparison to a standard measure over a standardized time.
    Bioaugmentation:  The addition to the environment of nonnative microbes for the purpose
    bioremediation.
    Biobased Product:  Products (other than food or feed) made from renewable plant and animal sources.
    Biocentrism:  The belief that all forms of life are of equal value and all does not revolve around
    humanity.  It's opposite anthropocentrism argues that everything revolves around its usefulness to
    humanity. Biocentrists argue that everything in nature has value.
    Biochemicals: Chemicals that are either naturally occurring or identical to naturally occurring
    substances. Eg, hormones and enzymes.
    Bioclimatology:   The study of the effects of climatic conditions on living organisms, especially
    agricultural plants, animals, humans and their diseases.
    Biodegradable:  A process by which large, complex organic molecules are naturally broken down into
    smaller inorganic molecules through the action of microorganisms.
    Biodiversity:  The variety of organisms found within a specified geographic region. More precisely
    ecosystem complexity, species richness and genetic variation.
    Biodiversity Offsets:  Are conservation projects used by businesses to counterbalance the
    environmental impacts of their operations. The goal is to achieve a net neutral or better yet a
    beneficial outcome for biodiversity.
    Biodynamic Agriculture: Is organic farming, that also looks upon the soil and the farm as living
    organisms.         
    Biofuels:  A gaseous, liquid or solid fuel that contains energy derived from a biological source.
    Biogeochemical Cycle:  The process of recycling among the organic (bio-), inorganic (geo-) and
    chemical worlds. The most well-known and important biogeochemical cycles include the carbon cycle,
    the nitrogen cycle, the oxygen cycle, the phosphorus cycle, the hydrogen cycle and the water cycle.
    Bio-Indicators: Also known as biomarkers, are biological or animal species used to monitor the health
    of, or changes in, their surroundings or an ecosystem.
    Biological Contaminants:  Natural agents such as bacteria, viruses, fungi, and mammal and bird
    antigens which when inhaled might cause diverse health issues such as respiratory problems, allergic
    reactions, hypersensitivity, and infectious diseases.
    Biological Wastewater Treatment:  Uses aerobic or anaerobic microorganisms to decant effluents and
    separate sludge and pollutants.
    Biomagnification: Is the process by which pollutants become concentrated in successive trophic
    levels (food chain).  
    Biomass:  1) The total mass of all living organisms (producers, consumers and decomposers) within a
    given unit of environmental area. 2) Also refers to renewable energy coming from trees, grasses,
    agricultural products or other biological material (such as waste) when transformed into fuel for the
    production of electricity, heat, chemicals, or fuels.
    Biome:  A biological subdivision or regional ecosystem containing distinct types of plants and animals
    that have come into place under specific soil and climatic conditions.  There are over a dozen basic
    terrestrial biome classifications, including grassland, tropical rainforest, tundra, boreal conifer forests,
    deciduous forests and deserts. There are two main aquatic biomes, marine and freshwater.
    Biomimicry:  Getting ideas from nature. Mimicking nature.
    Biomonitoring:  Assessing human exposures to chemicals in the environment by measuring the
    chemicals or their metabolites in human tissue or fluids.
    Bionics: Bio(mimicry)+(electr)onic. The application of biological principals found in nature to the
    design of electronic devices, mechanical parts, engineering systems and modern technology. E.g., bio-
    based solar panels, plastics, etc.
    Biophilia:  The inherent emotional connection of humans to other living creatures. See E. O. Wilson's
    Biophilia Hypothesis.
    Biopiracy:  When pharmaceutical companies exploit indigenous knowledge.
    Bioplastics:  Mock plastic made from plant sources. When disposed of into an environment containing
    bacteria (microbes) they biodegrade with no toxic residue.
    Bioreactor:  A container in which a biological reaction occurs.
    Bioremediation: The use of plants or microorganisms to help absorb or break down pollutants such as
    oil from soil, water, and wastewater. Also the use of beneficial insects to counteract agricultural pests
    or which might help to  prevent or relieve diseases of trees, plants, and soil.
    Biosolids: Solid materials remaining after wastewater treatment that meet the government criteria for
    beneficial use, such as for fertilizer.
    Biosphere:  A whole planet ecosystem where the interconnection of living and nonliving components
    can or do exist.
    Biosphere Reserve:  Established under UNESCO's man and the biosphere (MAB) programme, biosphere
    reserves are recognized protected areas that are 'living laboratories' for testing out and practising
    sustainable management of land, water and biodiversity. There are currently 529 sites worldwide in
    105 countries.
    Biota:  The combined flora and fauna occupying a region together.  E.g., desert biota.
    Biotope:  An environmental region that is uniform in conditions and in its distribution of flora and
    fauna.
    Bisphenol A:  An ingredient in rigid plastics such as water bottles. There is concern about the potential
    leaching of BPA and its hazards.
    Blackbody:  A conceptual object/area that absorbs all of the electromagnetic radiation that strikes it.
    Black Carbon Aerosols: Particles of carbon in the atmosphere released due to fossil fuel or biomass
    burning. Black carbon aerosols both absorb and reflect light from the sun.  They shade the amount of
    sunlight reaching the surface but also contribute significantly to the warming of the atmosphere.
    Black Liquor:  Paper mill waste.
    Blackwater: Household wastewater which contains human wastes.
    Blizzard:   A snowstorm with considerable snowfall, visibility of less than a quarter mile, sustained
    winds or frequent gusts to 35 miles an hour or greater, which prevails for a period of 3 hours or longer.
    See Extreme Weather.
    Blue Carbon:  Carbon that is sequestered and stored in the oceans and atmosphere.
    Blue Watch or Blue Box: Weather person slang for a severe thunderstorm watch.
    Body Burden:  The build up of chemical pollutants in our bodies.
    Bog: Is a spongy wetland habitat that accumulates dead plant material. Bogs are low in nutrients and
    very acidic. They cover vast areas in the tundra and boreal forest mostly in the northern hemisphere.  
    The world's largest wetlands are the Western Siberian Lowland bogs in Russia. A bog is a very early
    stage coal deposit and holds vast reserves of CO2.
    Bog Bursts:  When a mass of bog peat slides off a layer of peat below it, or off the bedrock on a hill
    creating a lava like bog flow. Exasperated during extreme weather.
    Boreal forest:  Aka the Taiga.  The tundra forest which circumambulates the Arctic is dominated by
    just a few species of needled conifers; black and white spruce, pine, balsam fir,and deciduous birch,
    larch and aspen.  To the north it is bounded by tundra and to the south by mixed temperate or
    deciduous forest or open steppe. The boreal forest accounts for about one third of the earth's total
    forest area, or 17 percent of the earth's land surface. It overlies formerly glaciated areas and therefore
    contains many lakes, bogs, marshes and rivers.
    Bottom Water: The dense,cold, salty, low oxygen water that is the lowermost layer of ocean water. It
    is slow moving and influenced by sea-bed topography. Bottom water forms when sea water entering
    the polar regions freezes and salty and dense water separates out and sinks and flows into the ocean
    basins. The sinking water is replaced by surface water, creating poleward surface currents in the North
    Atlantic.
    Boundary Current:  The north or south flowing ocean currents which flow parallel to a continental
    coastline. A western boundary current is a warm, deep, narrow, and fast moving current bringing warm
    water from the equator northward.  An eastern boundary current moves south slowly, is relatively
    shallow and broad.
    Box Model:  A model that calculates air pollution concentrations which assumes that pollutants will
    immediately and uniformly disperse within a box.
    Breakup Date: The date on which a body of water is first observed to be entirely free of ice and
    remains clear thereafter.
    Breakup Period:  The period when ice cover is breaking up.
    BRIC Countries: Brazil, Russia, India and China.
    Bright Green Environmentalism: Aims for a society that utilizes new technology and improved design
    to achieve  ecological sustainability, while increasing its economic growth.
    Brown Carbon:  The carbon sequestered and stored in industrialised forests or plantations.
    Brownfields:  Abandoned, underutilized or unused real property (often urban) where redevelopment is
    complicated by the presence of pollutants or contaminants.
    BTU: British Thermal Unit. The amount of energy required to raise the temperature of one pound of
    water by one degree Fahrenheit, at sea level and normal atmospheric pressure.
    Bycatch: The unintended capture of certain fish, seabirds and marine mammals in fishing nets.
                                         C
    Calving:  The breaking away of a mass of ice from a floating glacier, ice front, or iceberg.
    Cap:  The absolute emission limit.
    Cap and Trade:  A regulation where a polluter is set a cap as to emissions. Polluters are then allowed
    to trade allowances below or above their set limit as their actual emissions come to light.
    Capacity: (or peak) Refers to the highest level of electricity that a utility can supply at any one time.
    The total energy available or maximum that is producible.
    Carbon Capture and Storage. CCS are methods used to capture carbon dioxide from large stationary
    sources such as power and industrial plants and subsequently sequester it away from the atmosphere.
    Carbon Cycle:  The continuous interconnected processes by which carbon circulates among the
    biosphere, geosphere, hydrosphere, and atmosphere.
    Carbon Dioxide (CO2): An odorless, colorless  greenhouse gas. Carbon dioxide enters the atmosphere
    through respiration and from the burning of fossil fuels, solid waste, wood products, and also as a
    result of other chemical reactions such as the manufacture of cement, and through natural occurrences.
    As per the carbon cycle, carbon dioxide is removed from the atmosphere when it is absorbed by plants
    and the oceans. The current global average is 383 ppm by volume in the Earth's atmosphere. Higher
    CO2 levels in the atmosphere make oceans warmer and more acidic.
    Carbon Dioxide Equivalent (CO2e): The emissions of a greenhouse gas, by weight (usually tonnes),
    multiplied by its associated global warming potential (GWP). As example, methane has a GWP of 21, so
    1 million metric tonnes of methane is equivalent to emissions of 21 million metric tonnes of carbon
    dioxide (MMTCDE).
    Carbon Dioxide Equivalency:  A quantity set for a mixture of greenhouse gases, specifying the amount
    of CO2 that would have the same global warming potential (GWP), when measured over a specified
    time, typically 100 years.
    Carbon Disclosure Project (CDP) : An independent organisation which works to disclose the
    Greenhouse Gas Emissions of the major corporations of the world.
    Carbon Intensity: The amount of CO2 emitted by a country relative to its gross domestic product.
    Carbon Nanotubes: Are nanoscale, long, thin hollow cylinders of carbon, made from carbon graphite.
    They are some of the stiffest, strongest and lightweight fibres we have in use and act differently in
    their many applications.  They are used in materials for building, structural engineering and numerous
    of other goods, including baseball bats. They are efficient conductors of electricity as well, and are
    used in nanowires.
    Carbon Neutral:  When a process or product through its lifetime does not add net carbon dioxide to
    the atmosphere, this can be achieved either inherently (vegetation) or through the use of offsets
    and/or sequestration (business ventures).
    Carbon Offsets:  Enable individuals and businesses to offset their CO2 emissions by reducing or
    displacing the CO2 in some other way and place...such as planting trees to absorb an equivalent
    amount of carbon.  One certificate represents a one-ton reduction in greenhouse gases.
    Carbon Productivity:  The amount of Gross Domestic Product produced- per unit of carbon equivalents
    (CO2e) emitted.
    Carbon Sequestration:  The uptake and storage of carbon.
    Carbon Sink: Any reservoir that takes up carbon from another part of the carbon cycle, for example
    forests, oceans and other ecosystems absorb some of the carbon dioxide put into the atmosphere by
    human activities.
    Carbon Tax:  A tax levied on oil, coal, and gas based on their carbon content, discouraging the use of
    fossil fuels and aiming to reduce carbon emissions.
    Carborexic:  Someone on a strict carbon diet.
    Carrying Capacity:  The maximum population of a given species that a particular environment can
    support during the most unfavorable time of year, without causing environmental damage.
    Carson, Rachel:  Marine biologist and author who worked for the US Fish and Wildlife Service.  Her
    1962 book, Silent Spring first introduced the term ecosystem and warns of the dangers of pesticides,
    especially DDT.
    Cascade Effect:  A series of events each producing the circumstances necessary for the initiation of
    the next event. As example, secondary extinctions which are the result of a primary extinction of a
    key species in an ecosystem.
    Catalytic Converter:  An apparatus put on a vehicle exhaust system used to reduce the emissions of
    pollutants from an internal combustion engine.
    Catchment Area:  An area that 'catches' rainfall which then drains into a river, aquifer or lake.
    Cellulosic Ethanol:  Biofuel made from cellulose.
    Certified Emissions Reduction: Commonly known as carbon credits, where each CER unit is equal to
    the reduction of one metric tonne of CO2, issued by Kyoto's Certified Development Mechanism (CDM)
    project, and can be sold or counted toward Annex I countries' emissions commitments.
    Certified Organic:  When an independent organization accredited by the USDA verifies that a product
    meets organic standards as specified by the National Organic Program.
    Chains of extinction:  When one species' extinction leads to further species' extinctions.
    Chemcentric:  The belief that man can control nature with chemicals.
    Chemical Cocktail:  Mixtures of chemicals that may do little harm on their own, but together cause
    great damage to  human cells.
    Chemical Oxygen Demand:  An indicator of water quality which indirectly measures the amount of
    oxygen consumed by organic and inorganic compounds in water by chemical means.  Often used in
    reference to wastewater.
    Chemical treatment (of hazardous waste): Treatment methods that  modify the chemical properties
    of a hazardous waste,eg, through neutralization of acidity or alkalinity, reducing water content, etc...
    Chicago Climate Exchange: CCX is a voluntary GHG cap and trade membership system. Member
    companies commit to GHG caps, and if they produce more GHGs then committed, they must buy
    credits from a company who has credits to sell because that company achieved greater emission
    reductions then they had committed.
    Chlorinated Hydrocarbon: (CHC) compounds contain chlorine, carbon and hydrogen, such as the
    organochlorine pesticides, lindane and DDT. E.g.,  polychlorinated biphenyls (PCBs), and chlorine
    waste products such as dioxin. Many of these compounds bioaccumulate in the food chain.
    Chlorination Byproducts: Carcinogenic chemicals that result from the interaction of chlorine and
    organic matter in water.
    Chlorofluorocarbons (CFCs):  Synthetic industrial gases formed of chlorine, fluorine and carbon whose
    molecules are normally inert.  They are used as aerosol propellants because they do not alter the
    material being sprayed, in fire extinguishers,  air conditioners, cleaning solvents and in the
    manufacture of plastic foam. There are no natural sources of CFCs. They have been implicated in the
    thinning of the ozone layer and their long term presence in the atmosphere adds to the greenhouse
    effect.
    Chlorophyll:  A green pigment, present in algae and plants, that absorbs radiant energy from the sun
    and thus plays a fundamental role in photosynthesis.
    Chromophoric Dissolved Organic Matter (CDOM): Colored organic matter from decaying leaves etc.
    that finds its way into our waterways and then the marine environment.
    Circumpolar Distribution:  Organisms/species that are distributed all around the North or South Poles.
    Clean Development Mechanism: Kyoto agreement where industrialised countries who have agreed to
    a greenhouse gas reduction commitment, invest in offset (CDM) projects in developing countries.
    Clean Energy Technologies:  Energy sources that make no or small amounts of carbon emissions.
    Clean Fuel Vehicle:  The three categories of federal CFV standards from least to most stringent are
    low emission vehicles (LEVs), ultra-low emission vehicles (ULEVs), and zero emission vehicles (ZEVs).
    Clearcutting:  A logging technique in which all trees are removed from an area at the same time.
    Climate Change:  A change in climate over a length of time, usually not less than thirty years.
    Climate Classification:  The most widely used classification scheme is the Köppen climate
    classification where climate zone boundaries were selected with vegetation, temperature and
    precipitation in mind. The scheme divides the climates into five main groups and several types and
    subtypes. The 5 main groups are...Tropical Moist climates, Dry climates, Temperate Mid-latitude Moist
    Mild Winters, Continental Cold Winters climate and Polar climates.
    Climate Commitment:  An intent to become more carbon neutral.  Also refers to the fact that climate
    reacts with a delay to influencing factors such as anthropogenic emissions. Thus the climate is
    committed to a change even if we were to stop adding emissions as of now.
    Climate Modelling:  The use of mathematical models to study the interactions of the oceans,
    atmosphere, land, and ice. They are used to predict future climates, greenhouse gas levels, emissions
    levels, circulation, etc.
    Climate Sensitivity:  The resultant equilibrium response of the climate to a change, such as a doubling
    of atmospheric CO2 (since the beginning of the Industrial revolution) resulting in an IPCC estimate
    temperature increase of 1.5-4.5C (2.7-8.1F).
    Climax Forest:  A forest community in the final stage of succession in which species composition
    remains more or less stable and unchanging.
    Closed System:  Where all of a systems elements are constantly recycled through its environment.
    Where energy might be exchanged with the outside environment yet physical material is not.
    Cloud Forest:  A tropical or subtropical montane moist forest characterized by persistent or frequent
    clouds or mist at the vegetation level. Biodiversity is relatively high, with many species of tree and an
    abundance of mosses, ferns, lichens, orchids and other epiphytes on every tree and rock surface. Due
    to their relatively narrow altitudinal zone, global warming is having a significant effect on the world's
    cloud forests, possibly leading to their extinction.
    Coal Cleaning: A set of technologies to remove pollutants from mined coal. Removing the pollutants
    before the coal is used.
    Coal Gasification:  A process converting solid coal into a gas. The coal is washed, ground into a
    powder and then chemically reacts with oxygen and steam to form a gas containing methane, hydrogen
    and carbon monoxide. The gas is then used to drive a turbine to produce electricity.
    Coastal Onlap: The advance and subsequent deposits further and further inland with sea level rise.
    Used to evaluate sea level prehistoric and predictive (future) rise and fall.
    Coextinction: The loss of one species due to the extinction of another.
    Cold Pole:  The place in the Northern and Southern hemispheres with the lowest mean temperatures.
    In Antarctica, that place is Vostok Station, Antarctica with an annual mean temperature of -55.1 C.
    Coliform Organism: A microorganism found in the intestinal tract of people and animals. Their
    presence in water indicates fecal and  bacterial contamination.
    Colony Collapse Disorder:  An event, currently unexplained, of a sudden disappearance of adult honey
    bees, leaving only the queen and immatures bees in the nest. The cause is thought to be a virus
    possibly triggered by pesticide exposure.
    Combined Sewer:  A sewer that carries both sewage and storm water run-off. In combined sewers,
    even with a little rain, raw sewage enters directly into the receiving water body.
    Comfort Zone:  The range of humidity and temperature within which the human body works most
    efficiently without feeling chilled or sweating. Subjectively between 19-24 C or 66-75 F.
    Commercial Extinction:  The over harvesting of a population (i.e., fish or trees) to a point where its
    removal becomes uneconomic.
    Community-Supported Agriculture: A mutual commitment between a farm, and a community of
    supporters who pledge to provide the farmers with advance payment in return for weekly baskets of
    organic, locally grown produce.  Both parties share the benefits and risks of food production.
    Compact Flourescents:  Energy efficient florescent light bulbs which fit into standard light sockets.
    Compost:  Decomposing organic matter which provides nutrients and enhances soil structure.
    Composting: Biological decomposition of organic materials to humus through the action of
    microorganisms.
    Concentrated Solar Power: Is technology that generates electricity from the sun’s heat, unlike
    photovoltaic cells, which  produce electricity from light.
    Conference of the Parties: The supreme body of the UNFCCC which meets annually.
    Conservation:  The protection, improvement and thoughtful use of natural resources to provide the
    greatest social benefit for present and future generations.
    Consumerism:  An attitude that values materialistic possessions and the act of acquiring them.
    Contrail:  A condensation trail, where a cloud forms due to the exhaust of a jet aircraft.  
    Conurbation:  An extensive urban area comprising a number of cities, expanding towns and villages,
    formerly separate, which  have physically merged to form one continuous built up area.
    Conventional Biofuels: Are typically made from corn, sugarcane, beet, or oilseed crops such as soy
    and rapeseed.
    Cooling Water:  Water which is used to absorb and remove heat. When used in nuclear and industrial
    power plants the intake and discharge of cooling water is often an environmental problem.
    Cooperative:  Are businesses/buildings/associations owned and run jointly by its members.  
    Coral bleaching: When coral turns white, due to an expulsion of its colorful and beneficial algae.
    Bleaching occurs when coral is stressed, most usually due to high temperatures.
    Coral Reef:  A coastal accumulation of skeletal material that supports living corals.  Develop best in
    areas with a mean annual temperature of 23 to 25 C (73 to 77F), low nutrients, therefore minimal
    invasive algae, and light.
    Cradle to Cradle: Sustainability through complete product life-cycle, then reborn as a new product (in
    a new cradle) to repeat the process.
    Cradle to Grave: Appraisal examining the impacts at each stage of a product's life-cycle.
    Crevasses:  Crevasses are open fissures in glacier ice.
    Criteria Pollutants: The EPA uses six "criteria pollutants" as indicators of air quality; Carbon Monoxide
    (CO), Lead (Pb), Nitrogen Dioxide (NO2), Ozone (O3),Particulate Matter (PM), Sulfur Dioxide (SO2).
    Critical Load:   The threshold level above which substantial negative impacts would occur.
    Critical Mass:  A point or situation at which change occurs. The phrase is used in many ways for
    example socially, such as when a social movement becomes self-sustaining and ignites larger growth,
    and scientifically when a core reactor has enough fuel to create a self-sustaining nuclear chain reaction.
    Cryogenic:  Of or relating to very low temperatures.
    Cryosphere: The perennially frozen part of the Earth's surface. The cryosphere includes snow cover,
    floating ice, glaciers, polar ice caps, continental ice sheets, mountain glaciers, seasonally frozen
    ground and perennially frozen ground (permafrost).
    Cryptosporidium:   A microscopic intestinal parasite that can cause diarrhea, vomiting, abdominal
    cramps, and fever usually lasting one to two weeks.  Crypto is one of the most common waterborne
    diseases in the world. Potential sources include contaminated water, swimming pools, lakes, or
    unpasteurized drinks.
    Culling: Selective killing of animals to maintain herd size, or in a domestic situation, for breeding or
    disease purposes.
    Cyclone:  A tropical non-frontal/cyclonic low pressure system which develops an eye and has sustained
    winds of at least 74 miles per hour (119 km/h).  Cyclone is a regionally specific name of a tropical
    cyclone that occurs in the northern Indian Ocean.  North Indian basin cyclone season is from April to
    December, with peaks in May and November.
                                                                        D
    Dark Green:  A label given to those who live as green as possible.
    DDT:  Dichlorodiphenyltrichloroethane: highly toxic insecticide, which accumulates in the food chain.
    Most DDT in the soil is broken down slowly into DDE and DDD by microorganisms.
    Deca:  A toxic type of PBDE (flame retardant) used in electronics which few labs are able to reliably
    test for, therefore it often comes into the marketplace undetected.
    Decomposition:  The breakdown or decay of organic materials which create essential nutrients that
    plants and animals need and use.
    Decomposer: Microorganisms that break down large organic molecules into smaller inorganic molecules.
    Debt-for-Nature Swap:  When a conservation agency buys and dismisses some of a developing
    country's debt, in return the developing country agrees to maintain or put aside a conservation area.
    Dedensification: The removal of density by warming up or adding fresh water, both hinder the sinking
    of dense ocean currents.
    Dedicated Vehicle: A vehicle that will operate only on one fuel.
    Deep Ecology:  Viewing ecology from a philosophic perspective, where all life is interrelated and of
    equal value.
    Defensive Expenditure:  What people will spend to protect against a decline in environmental quality.
    Deforestation: The loss of forests due to overcutting of trees, resulting in habitat and biodiversity loss
    as well as soil erosion.  
    Degree Day: A unit used to measure the intensity of winter. The more degree days, the cooler the
    climate.
    Demand Side Management: Methods utility companies employ to encourage consumers to modify their
    energy usage, including energy efficiency, load management, fuel substitution and load building.
    Denitrification:  The loss of nitrogen from soil; also, the condition resulting from the removal of
    nitrogen.
    De Novo: A new mutation in a gene, not previously present, and not inherited from one's parents.
    Desertification:  When land, once potentially suitable for agriculture, turns into desert. Desertification
    can result from various factors, including climate change, or from human activities, such as
    deforestation and overgrazing.
    Diesel Particulate Matter: or DPM are in the size range of 100 nanometres. Due to their small size they
    can penetrate deeply into the lungs and cause complications.
    Diffuse pollution:  Pollution that has no clear single or definite source of origin.  E.g., acid rain.
    Digester Gas: Is biogas produced during the decomposition of biomass.
    Dioxin:  Collectively refers to a group of about 300 structurally and chemically related cancer causing
    compounds, known as halogenated aromatic hydrocarbons, including Dioxin's, Furans and the "dioxin-
    like" Biphenyls (PCBs). They are by-products of certain chemical processes.  In the environment,
    dioxins settle on soil and in the water, then pass into the food chain. They are stored in fat tissue, and
    most people contain an assortment of dioxins.
    Disincentives: Regulations, fees, taxes, policies, or programs which act as deterrents.
    Distributed Generation:  Small- scale, modular, decentralized power generation technologies located
    nearby to where the energy is used.
    Dobson Unit: A unit of measurement expressing the amount of ozone in a given column of stratosphere
    under standard conditions. The unit thickness is expressed as a concentrate and as if all other gases
    were removed. As example 1 DU of ozone is equivalent to a layer of ozone .01mm thick.
    Doomsday Seed Vault:  A seed bank in Norway housing 4.5million different seed types, which
    represents the agricultural diversity of the planet; hopes to provide mankind with genetic resources in
    case of a global catastrophe.
    Down-the-Drain Chemical: Chemicals such as drugs, household cleaning and laundry products that
    enter our water system.
                                                                        E
    E85:  Ethanol/gasoline mixture that contains 85% denatured ethanol and 15% gasoline.
    Earthshine: (Earthlight) Light reflected by the earth, as moonlight is light reflected by the moon.
    East Antarctic Ice Sheet: That part of the Antarctic Ice Sheet which lies in the Eastern     
    Hemisphere. A line drawn through the Transantarctic Mountains to the Antarctic Peninsula delineates     
    east from west.  
    East Greenland Current:  A south flowing current running along Greenland's east coast which forms
    part of the North Atlantic subpolar gyre. A major outflow route of Arctic water into the Atlantic.
    EC ecolabel:  EU eco label scheme that promotes and certifies environmentally friendly products.
    Eco-Anthropology:  The study of humans interactions with their environment.  
    Ecoclimatology:  The study of the relations between organisms and their climatic environment.
    Studies the adaptation of plants and animals to their climate and the geographical distribution of
    organisms in relation to climate.
    Eco Design: Design which factors in the environmental impacts at all stages of a product's life cycle,
    from  the product's development, material use, life cycle and its disposal or preferred renewal.
    Eco Efficiency or Eco Intensity:  (materials + energy + pollution) per unit of output.
    Ecological Corridor: A band of vegetation/habitat that allows the movement of animals, birds and
    plants between two areas.
    Ecological Footprint:  The area of land and water (usually measured in hectares) needed to produce
    the natural resources required by a defined economy or population at a specified standard of living, in
    a given year.
    Eco Paper:  Recycled papers with one or more of the following characteristics: a) high levels of post
    consumer recycled content b) any added virgin fiber is Forest Stewardship Council (FSC) certified c)
    the production mill uses the cleanest possible methods, and does not use dangerous chemicals, such as
    chlorine.
    Ecological Rucksack: The environmental cost in raw materials and energy expended in the production
    and use/maintenance of a product or service (sometimes you will see use/maintenance left out). The
    metaphor rucksack (backpack) is used to express the Earth's environmental carrying capacity for the
    product/service.  This is expressed as a relative index number. Example: one kilo of gold has an
    ecological rucksack of 540,000 kilos, whereas rubber has a rucksack only 5 times its weight.
    Ecophilia: An innate emotional affiliation to the environment.
    Ecophobia: A fear of one's outdoor environment.
    Ecopoiesis:  The fabrication of a sustainable ecosystem from scratch. E.g., microbial seeding.
    Ecopsychology:  The merging of psychology and ecology.
    Ecosystem: A community of organisms and their physical environment.
    Ecosystem Services:  The 'free' materials and services that the planet provides for us, such as rain,
    nutrients, pollination, cycles and recreation.
    Ecotone:  A zone of transition from one major plant community to another.
    Ecotourism: Nature Conservancy definition  "Environmentally responsible travel to natural areas, in
    order to enjoy and appreciate nature (and accompanying cultural features, both past and present) that
    promote conservation, have a low visitor impact and provide for beneficially active socio-economic
    involvement of local peoples."
    El Nino:  The development of warmer ocean surface water off the coast of Equador and Peru when
    the Trade Winds weaken and the usual upwelling of cold, nutrient-rich water lessens. This warming of
    South America's coastal waters has great effect on climatic patterns throughout the globe especially
    when the warming is prolonged.
    El Niño-Southern Oscillation:  (ENSO)  The ENSO cycle includes El Niño and La Niña phases as well as
    neutral phases.
    Emissions: The release of substances (ie, greenhouse gases) into the atmosphere.
    Emissions Cap: A mandated limit within a set time frame that puts a ceiling on the amount of  
    greenhouse gas emissions that a company or country can release into the atmosphere.
    Emissions Leakage: A concept used to refer to a shift in generation and the associated
    emissions from regulated (capped) sources to unregulated sources.
    Emissions Permits:  A tradable permit, issued by an authoritative body, allowing entitlement to
    release a specified amount of a polluting substance.
    Emissions Reduction Unit (ERU): from Kyoto "Emissions reductions generated by projects in Annex B
    countries that can be used by another Annex B country to help meet its commitments under the Kyoto
    Protocol. Reductions must be additional to those that would otherwise occur."
    Emissions Standards:  Specific limits to the amount of pollutants that can be released into the
    environment.
    Emissions Trading: A incentive based market system that allows emitters (countries, companies or
    facilities) to buy emissions from, or sell emissions to, other emitters.  Only a limited number of
    permits are issued allowing the release of pollutants.  The emitters may use their permits and release
    the pollutants, or somehow reduce their emissions and sell the permits.
    End of Life Vehicles Directive: An EU directive mandating that automakers pay the majority of costs
    for taking back and recycling cars at the end of their lives. US automakers are just recently starting to
    prevent mercury from entering the environment by directing that Hg mercury added switches be
    removed by the recycling industry at the vehicle’s end of life, prior to being scraped.
    Endangered Species:  Threatened with extinction.
    Endocrine Disrupting Chemicals: Synthetic or natural chemicals  that negatively disrupt the endocrine
    system. Examples are the pesticides, plasticizers, pharmaceuticals, and other pollutants that interfere
    with estrogen and other system signals. Endocrine disrupting chemicals are known to sometimes trigger
    reproductive, developmental and other health problems.
    Energy Conversion:  The conversion of one form of energy to another, such as converting thermal
    energy (heat or exergy) into electricity. In steam-driven electric power plants; heat is converted into
    mechanical energy, and then the mechanical energy is converted into electrical energy.
    Energy Efficiency Portfolio Standard:  Standards which require utilities to meet a percentage of
    their energy needs through renewable energy resources or energy efficiency measures. Some schemes
    allow trading between utilities. In some states standards are mandatory, in others voluntary.
    Energy Star:  A joint programme of the US Environmental Protection Agency and the US Department of
    Energy created in 1992, that encourages the promotion of energy-efficient products and practices,
    through an Energy Star labeling scheme.
    Engineered Geothermal Systems:  Is a system where two parallel lines are drilled into the earth. One
    line pumps water into the earth where it becomes heated,  the other line pumps out the hot water
    and steam. The steam is used to run turbines, while the hot water might be used for home heating.
    Englacial:  Inside a glacier.
    Enhanced Fujita (EF) Scale:  A 0 to 5 scale used to classify tornado damage, 5 being the worst.
    Enteric Fermentation: The fermentation process which takes place in the digestive systems of
    ruminant animals.
    Enzymology:  The study of the properties and actions of enzymes.
    Ephemeralization:  A Buckminster Fuller coined term meaning 'doing more with less' or living
    sustainably.
    Epidemiology:  The study of diseases as they affect populations be they human or other. Specifically
    how they occur, when, and their distribution.
    Epigenetics: Inherited genetic expression not encoded in DNA.
    Epiphytes:  Grow on other plants, mostly trees or shrubs, without the need for soil. Are usually not
    parasitic. Also called air plants.
    Equilibrium Line:  The level on a glacier, above which there is accumulation, and below which is
    ablation.
    Escalator Effect:  When species are forced to move steadily upward in altitude in response to climate
    change.
    Estrogenic: Relating to, mimicking or caused by estrogen.
    Ethanol:  Is produced chemically from ethylene or biologically from the fermentation of the sugars in
    carbohydrates in agricultural crops and/or cellulosic residues from crops or wood. Usually derived from
    corn.
    Ethnobiology:  The study of how differing cultures relate to, and utilize, their native plants and
    animals.
    European Climate Change Programme: European Commission program set up in June of 2000, to
    identify and develop an EU strategy that will implement the Kyoto Protocol.
    European Emissions Trading Scheme. The world’s largest multi-national greenhouse gas emissions
    trading scheme which started on January 1, 2005.
    Eutrophication:  The over enrichment of surface water due to dissolved nutrients, such as nitrogen
    and phosphorus, through natural or man made processes. This produces an environment that favors
    plant (mainly algae) growth over animal life. The algae's decay depletes dissolved oxygen, resulting in
    the suffocation of fish.
    Evapotranspiration: The transfer of water from the Earth's surface to the atmosphere by evaporation
    from bodies of water, soil, and by transpiration from plants.
    Evo-devo: Evolutionary developmental biology.
    Exajoule:   One ExaJoule equals a quintillion (1018) joules or a quadrillion (1015) kilojoules. A joule is an
    extremely small unit of energy; one kilojoule is slightly less than one British
    Thermal Unit (Btu).
    Exclusive Economic Zone:  A sea zone over which a coastal state has jurisdiction rights over the
    exploration and exploitation of marine resources for a band extending 200 miles from the shore.
    Exogenous:  Outside the organism or model.
    Exosphere:  The outermost layer of the Earth's atmosphere.
    External Forcing:  A non-climate event which forces climate change, such as a volcano, or increase in
    anthropogenic greenhouse gases, or solar flares.
    Externality:  Is an inadvertent impact effecting the well being of another party (usually negative) who
    was not involved in a given economic action, e.g.  pollution, acid rain, global warmimg...
    Extinction vortices:  Are models that categorize extinctions by their causes.
    Extremophile:  An organism which has adapted to, and thrives in, extreme conditions.
                                                                        F
    Fair Trade:  An organized social movement and model for international trading partnerships which
    aims to treat and pay farmers and employees fairly, by promoting the payment of a fair price,
    encouraging sustainable practices, prohibiting child labor, etc.
    Fair Trade Certified: A label that certifies products as Fair Trade. Administered by TransFair USA.
    Fair Trade Federation:  An association of businesses and organizations who certify companies, stating
    that their purchasing methods, employment practices, ethics, etc. are committed to Fair Trade
    policies.
    Feedstock:  Any raw material, usually plant or agricultural waste, destined to be processed into a fuel
    or energy product.
    Firn: Dense packed snow built up over seasons, the lowest layers becoming glacial ice.
    Firn Line: Is where the snow has persisted from the prior winter on a glacier, above which the firn
    will become glacial ice. Below the firn line is the ablation zone where snow does not build up.
    Fischer-Tropsch Process:  A method of synthesizing gaseous hydrocarbons, such as natural gas and
    gasified coal, or biomass, into synthetic liquid fuel. Combined with biomass gasification or coal
    gasification, Fischer Tropsch can be used to create renewable fuels.
    Fixed Carbon:  1) The solid residue left after coal combustion, exclusive of ash. 2) The amount of CO2
    that is converted into plant biomass by the process of photosynthesis.
    Floobydust:  Filed items that don't fit anywhere else-'a mixed bag'.
    Fluorinated Gases:  Potent synthetic greenhouse gases, emitted from a variety of industrial processes,
    sometimes referred to as High Global Warming Potential gases (e.g. hydrofluorocarbons,
    perfluorocarbons, and sulfur hexafluoride)
    Flywheel (Energy Storage): A mechanical kinetic battery using electrical input which accelerates a
    rotor on magnetic bearings in a vacuum that then acts as a generator.  This is one potential technology
    to replace conventional lead acid batteries.
    Food miles: Indicates the distance between where a food is produced and where it is consumed.
    A "food mile" is the distance food travels from the farm to the store where you buy it, American food
    travels an average of 1,500 to 2,500 miles from farm to table, reports the Worldwatch Institute.
    Food Security:  When there is assured access at all times to enough food.
    Forest Stewardship Council: (FSC) Certifies wood does not come from forests that are endangered,
    threatened, old-growth or ancient.
    Founder Effect: Refers to the loss of genetic variation when a very small group becomes
    reproductively separated from the larger population.
    Fracking Fluids: Unregulated toxic chemicals that are pumped underground to break up (fracture)
    seams of rock to increase oil and gas production.
    Fraction:  Hydrocarbons separated out of crude oil by fractional distillation and having specific boiling
    point ranges.
    Frankenfood: A derogatory term for genetically modified food.
    Freegan:  Combination of vegan and free; a growing movement of people proving that it is possible to
    live off of consumer waste.
    Fuel Cell: An electrochemical device that directly produces electricity by combining a gas fuel, usually
    hydrogen, with an oxidant, almost always oxygen, leaving a waste product of water.  Actual and
    potential applications include fuel cell vehicles, off-grid power supply, auxillary power, etc...
    Fujita Scale:  A scale of tornado wind damage intensity where wind speeds are inferred from the
    amount of damage: F0 (weak): 40- 72 mph, light damage. F1 (weak): 73-112 mph, moderate damage.
    F2 (strong): 113-157 mph, considerable damage. F3 (strong): 158-206 mph, severe damage. F4
    (violent): 207-260 mph, devastating damage. F5 (violent): 261-318 mph, incredible damage.
    Full-Cost Accounting: Accounting that includes all environmental, economic, and social costs and
    benefits (externalities).
    Functional Foods:  Foods enhanced with added health benefits.
    Functionally extinct:  When only a small number of non-reproducing individuals survive.  
    Fungible:  Where one item is similar to another and accepted as the same thing, i.e., money.
                                                                       G
    G8:  Group of 8. Canada, France, Germany, Italy, Japan, Russia, the United Kingdom and the U.S.
    Game Theory: An approach to analysing how people, companies and governments might behave in
    strategic situations and how others might respond to what they do.
    Gas Flaring:  Is the venting and then burning of pressurized natural gas. Gas flares are a significant
    source of greenhouse gas emissions and release toxins such as dioxin and benzene.
    Gasification: Processes whereby solid fuels are converted into a combustible gas.
    Gasohol (E10)  Gasoline that contains 10% ethanol.
    Gasoline Gallon Equivalent: (GGE)  A unit for measuring alternative fuels, comparing them with
    gasoline on an energy equivalent basis. This is necessary as different fuels have different energy
    densities.
    Geoengineering:  Large scale proposed environmental engineering projects with the goal of altering
    Earth's climate, such as adding sulfite particles into the stratosphere.
    Geotourism: Tourism that enhances and helps sustain the character of a location.
    General Circulation Model: (GCM) A 3D computer model of the globe's climate system.
    Genetic drift: aka allelic drift, is the evolutionary process of change in the gene frequencies of a
    population from one generation to the next where chance probability determines which variants of a
    gene will be carried forward while others disappear.
    Genetic Mapping: Mapping the relative positions of genes on a DNA molecule.
    Genetically Modified Organism: (Transgenic) Where the genes of one organism are combined with
    that of another, deliberately altering the genetic material. The long-term impact on humans, crops,
    etc. is unknown.
    Geothermal Energy:  Natural heat from within the earth that may be captured for the production of
    electric power, space heating or steam to drive turbines.
    Geothermal Gradient:  The rate of increase in temperature per unit depth in the Earth.
    Gigabyte:  Giga means one billion. One billion bytes of info.
    Gigawatts Electric:  One GWe equals one billion (109) watts or 1 million kilowatts.
    Glacial Soil: (Drift)  Material which was carried along with, pushed ahead of, or moved upon an
    advancing ice sheet.
    Glacial Rebound: The land height adjustment of formerly glaciated areas after glacial retreat.
    Global Climate Change: is the term most often used by the scientific community; global warming is
    the term most often used by the media and the public.
    Global Dimming:  A reduction in the amount of sunlight reaching the Earth's surface due to particulate
    matter in the atmosphere. This effect lessens global warming.
    Global Gardening:  Returning carbon to the soil.
    Global Public Goods: Goods and services administered by multiple countries, such as international
    policies. A clean environment, health, peace and security are also deemed global public goods.
    Global Warming:  Is a progressive increase in the Earth's average air temperature and ocean
    temperatures over an extended time period.
    Global Warming Potential:(GWP) Is a measurement which describes the ratio of global warming, or
    radiative forcing, of one unit mass of a greenhouse gas, to that of one unit mass of carbon dioxide
    over a specified time period.  (Calculates the different greenhouse gases' warming effects as
    compared with carbon dioxide.)
    GMO: Genetically Modified Organism or Transgenic. Where the genes of one plant or animal are
    combined with that of another, deliberately altering its genetic makeup, to produce specific traits.
    The long-term impact on humans, other crops, etc. is unknown.
    Grassoline:  Biofuel made from switchgrass or another perennial grass.
    Great Ocean Conveyor Belt: A system of ocean currents spanning the Southern, Pacific, Indian and
    Atlantic Oceans that transfers heat around the globe.
    Great Pacific Garbage Patch: An area of marine debris (mostly plastic) in the North Pacific Gyre in
    the Pacific Ocean. The circular rotation of the gyre keeps the debris at its center. When sampled in
    2001, the Patch yielded six pounds (3.6 kilos) of plastic for every pound (half kilo) of plankton in the
    water. Greenpeace estimates that each year roughly 10% of manufactured plastics end up in the Great
    Pacific Garbage Patch.
    Green Carbon: The carbon that is sequestered and stored in natural, biologically diverse ecosystems.
    Green-Collar Fraud:  When a company promotes a product as green, when in truth it is not.
    Green-Collar Job:  Employment in the clean energy or an environmentally friendly field.
    Green Construction: Environmentally friendly and sustainable construction methods.
    Green Crime: A crime against the environment. The new green crime law in the EU treats nine
    environmental offences as criminal acts. They range from harming protected plants or species, to
    dumping toxins, to unlawful trade in ozone depleting substances.
    Greenfluencers:  A small percentage of the population that have an influence upon others' green
    buying patterns, behaviors and attitudes.
    Green Globe: An international eco-certification program geared toward travel and hospitality
    companies.
    Greenhouse Effect: The insulating effect of atmospheric greenhouse gases which trap the sun's
    warmth like greenhouse glass. The gases absorb long wave radiation thereby preventing the warmth
    from escaping back into space. Greenhouse gas quantities are proportionate to warming.
    Greenhouse Gas: Any gas that contributes to the greenhouse effect. Such as water vapor, carbon
    dioxide, tropospheric ozone, nitrous oxide, hydrofluorocarbons and methane.
    Green Power Marketing: Is a customer-driven market for clean electricity, where consumers (you)
    have the option to choose your electric supplier and choose between its multiple service offerings.
    Green Pricing:  An optional fee service that electric utilities offer their customers who wish to
    support clean energy. When you sign up, you are helping your utility company supplement its
    purchasing of, or investments in, renewable energy.
    Grey Carbon:  The carbon that is held in fossil fuels.
    Grey Water: Aka "sullage", the residues of washing processes. Wash water (other than toilet water)
    that can be re-used for irrigation, toilets, etc.
    Grid: The infrastructure used by utility companies, made up of a network of conductors, for
    distribution of electricity.
    Griggs–Putnam Index: 0-7 scale that correlates tree deformation with wind speed, 0=no deformity.
    Ground-Level Ozone: Ozone in the low level troposphere is a pollutant that is harmful to breathe and
    damages vegetation. It is a main ingredient of smog.
    Growing Degree Days:  A heat index that relates the development of plants, insects, and disease
    organisms to air temperature and helps to prediction maturity.
    Gyres:  Large-scale circular currents of water driven by the global wind system.  Eight gyres drive the
    ocean surface circulation patterns of Earth.  
    Guerrilla Gardening:  When activists plant a garden, on an abandoned, unkempt piece of land, which
    they do not own.
Lexicon
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and InspirationGreen
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