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Category Scope 45 Environment Pollution Includes atmospheric, water, soil, noise, and thermal pollution. Definition Environment Pollution – Alterations of the natural environment that are harmful to life; normally as produced by human activities. NASA Thesaurus, Washington, DC: National Aeronautics and Space Administration. NASA Interest Exhaustive Interest : Air, noise, thermal, atmospheric pollution, and contamination resulting from air, earthbound, and space transportation. Selective Interest : Industrial, commercial, and residential air, noise, and thermal atmospheric and water pollution as it impacts air and space transportation, or is monitored by aircraft or spacecraft. Negative Interest : Air, noise, thermal, water pollution, sewage pollution, and contamination from industrial, commercial, and residential sources with no relation to aerospace activities. | Input Subjects of Specific Interest
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