atmospheric input of pollutants
21Hydrology — Water covers 70% of the Earth s surface. Hydrology is the study of the movement, distribution, and quality of water on Earth and other planets, including the hydrologic cycle, water resources and environmental watershed sustainability. A… …
22Nonpoint source water pollution regulations in the United States — Nonpoint source (NPS) water pollution regulations are environmental regulations that restrict or limit water pollution from diffuse or nonpoint effluent sources such as polluted runoff from agricultural areas in a river catchments or wind borne… …
23river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… …
24Estuary — An estuary is a semi enclosed coastal body of water with one or more rivers or streams flowing into it, and with a free connection to the open sea. [Pritchard, D. W. (1967) What is an estuary: physical viewpoint . p. 3 ndash;5 in: G. H. Lauf… …
25Coral reef — Marine habitats Biodiversity of a coral reef Lit …
26Biofuel — Information on pump regarding ethanol fuel blend up to 10%, California …
27global warming — an increase in the earth s average atmospheric temperature that causes corresponding changes in climate and that may result from the greenhouse effect. [1975 80] * * * Potential increase in global average surface temperatures resulting from… …
28Perfluorooctanoic acid — IUPAC name pentadecafluorooctanoic acid …
29Carbon offset — Part of a series on Green economics Concepts …
30Wind — For other uses, see Wind (disambiguation). Wind, from the …
