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Environment

Issues related to the circumstances or condition of the earth's natural surroundings.

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Contributors in Environment

Environment > Pollution

polluted runoff

Environment; Pollution

"Precipitation that captures pollution from agricultural lands, urban streets, parking lots and suburban lawns, and transports it to rivers, lakes or oceans."

pollution prevention

Environment; Pollution

"Techniques that eliminate waste prior to treatment, such as by changing ingredients in a chemical reaction."

radioactivity

Environment; Pollution

"The spontaneous emission of matter or energy from the nucleus of an unstable atom (the emitted matter or energy is usually in the form of alpha or beta particles, gamma ...

refrigerants

Environment; Pollution

"Cooling substances, many of which contain CFCs and are harmful to the earth's ozone layer."

oil spills

Environment; Pollution

"The harmful release of oil into the environment, usually in the water, sometimes killing area flora and fauna. Oil spills are very difficult to clean up."

theoretical oxygen demand (THOD)

Environment; Pollution

"Theoretical oxygen demand (ThOD) is the calculated amount of oxygen required to oxidize a compound to its final oxidation products."

toxicity

Environment; Pollution

"Toxicity is the degree to which a substance can damage an organism. Toxicity can refer to the effect on a whole organism, such as an animal, bacterium, or plant, as well as ...