Green Terms

Glossary of Green Terms

 

 

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BACT or Best Available Control Technology: For any specific source, the currently available technology producing the greatest reduction of air pollutant emissions. Mmajor sources are required to use BACT, unless it can be demonstrated that it is not feasible for energy, environmental, or economic reasons.

Banking is asystem for recording qualified air emission reductions for later use in bubble, offset, or netting transactions. (See: emissions trading.)

BEN

BEN is the EPA's computer model for analyzing a violator's economic gain from not complying with the law.

See BACT

Biodegradable means capable of decomposing under natural conditions.

Biodiesel is an alternative fuel made from virgin vegetable oil or used vegetable oil. Even animal fats like beef tallow and fish oil can be used to make biodiesel fuel. Biodiesel may be blended with conventional diesel to get different blends such as B2 (2 percent biodiesel and 98 percent conventional diesel) or B20 (20 percent biodiesel) or it can be used as 100 percent biodiesel (B100). Source: U.S. Environmental Protection Agency

Biofuels are any fuel derived from biomass. Agricultural products specifically grown for conversion to biofuels include corn and soybeans. R&D is being conducted to improve the conversion of non-grain crops, such as switchgrass and a variety of woody crops, to biofuels. The energy in biomass can be accessed by turning the raw materials of the feedstock, such as starch and cellulose, into a usable form. Transportation fuels are made from biomass through biochemical or thermochemical processes. Known as biofuels, these include ethanol, methanol, biodiesel, biocrude and methane. Source: U.S. Department of Energy / Biomass Program

Biomass is any organic material made from plants or animals. Domestic biomass resources include agricultural and forestry residues, municipal solid wastes, industrial wastes, and terrestrial and aquatic crops grown solely for energy purposes. Biomass can be converted to other usable forms of energy and is an attractive petroleum alternative for a number of reasons. First, it is a renewable resource that is more evenly distributed over the Earth

Biosphere is the portion of Earth and its atmosphere that can support life.

Blind is the state of blindness, being unable to see
Also see: Blindness, Eye Diseases, Eye Problems

Blindness is the condition of lacking visual perception due to physiological or neurological factors.
Also see: Blind, Eye Diseases, Eye Problems

Brownfields are abandoned, idled, or under used industrial and commercial facilities/sites where expansion or redevelopment is complicated by real or perceived environmental contamination. They can be in urban, suburban, or rural areas. EPA's Brownfields initiative helps communities mitigate potential health risks and restore the economic viability of such areas or properties.

Bubble is a system under which existing emissions sources can propose alternate means to comply with a set of emissions limitations; under the bubble concept, sources can control more than required at one emission point where control costs are relatively low in return for a comparable relaxation of controls at a second emission point where costs are higher.

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