Business / Agriculture / Air Pollution: Contamination of the atmosphere by substances that, directly or indirectly, adversely affect human health or welfare. Air pollution results from human activities, both deliberate releases (as from smokestacks) and fugitive emissions (as dust blown from streets or fields), and from natural sources, including sea spray, volcanic emissions, pollen, etc. The Clean Air Act authorizes the Environmental Protection Agency to regulate air pollution (see National Ambient Air Quality Standards).
Air Noun Synonyms: atmosphere, ambience, aura, climate, feeling, sense, mood, quality
Pollution Verb Synonyms: contamination, adulteration, corruption, polluting, fouling, befouling, soiling, spoiling, tainting, staining, dirtying, sullying, blighting, poisoning, vitiation
Business / Agriculture / Clean Air Act: The primary federal law governing efforts to control air pollution. Federal legislation addressing air pollution was first adopted in 1955 (Air Pollution Control Act, P.L. 84-159) to provide research MORE
Business / Finance / Impaired Credit: When a company's total capital is less than the par value of all its capital stock. MORE