Criteria air contaminants — (CAC), or criteria pollutants, are a set of air pollutants that cause smog, acid rain and other health hazards. The laws and regulations of different polities may define different sets. CACs are typically emitted from many sources in industry,… … Wikipedia
environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations … Universalium
Concentrated Animal Feeding Operations — CAFO for cattle Sw … Wikipedia
Fuel cell — For other uses, see Fuel cell (disambiguation). Demonstration model of a direct methanol fuel cell. The actual fuel cell stack is the layered cube shape in the center of the image A fuel cell is a device that converts the chemical energy from a… … Wikipedia
Life-cycle assessment — Cradle to grave redirects here. For other uses, see Cradle to the Grave (disambiguation). A life cycle assessment (LCA, also known as life cycle analysis, ecobalance, and cradle to grave analysis)[1] is a technique to assess environmental impacts … Wikipedia
environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… … Universalium
Mobile Emission Reduction Credit (MERC) — A Mobile Emission Reduction Credit (MERC) is an emission reduction credit generated within the transportation sector. The term “Mobile Sources” refers to motor vehicles, engines, and equipment that move, or can be moved, from place to place. [ US … Wikipedia
Title 40 of the Code of Federal Regulations — Title 40 is a part of the United States Code of Federal Regulations. Title 40 arranges mainly environmental regulations that were promulgated by the US Environmental Protection Agency (EPA), based on the provisions of United States laws (statutes … Wikipedia
Mobile emission reduction credit — Energy portal A mobile emission reduction credit (MERC) is an emission reduction credit generated within the transportation sector. The term “mobile sources” refers to motor vehicles, engines, and equipment that move, or can be moved, from place… … Wikipedia
Mercury regulation in the United States — is a set of laws and regulations limiting the maximum concentrations of mercury (Hg) that is permitted in air, water, soil, food and drugs. These laws and regulations are promulgated by U.S. Federal Agencies such as the Environmental Protection… … Wikipedia