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endangered species
(Encyclopedia)endangered species, any plant or animal species whose ability to survive and reproduce has been jeopardized by human activities. In 1999 the U.S. government, in accordance with the U.S. Endangered Spe...air pollution
(Encyclopedia)air pollution, contamination of the air by noxious gases and minute particles of solid and liquid matter (particulates) in concentrations that endanger health. The major sources of air pollution are t...Bolivia
(Encyclopedia)CE5 Bolivia bōlĭvˈēə, Span. bōlēˈvyä [key], officially Plurinational Stat...Browse by Subject
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