(Encyclopedia) United Nations Conference on Environment and Development (UNCED) or Earth Summit, an 11-day meeting held in June, 1992, in Rio de Janeiro, Brazil, to discuss the global conflict…
Cholera: Scourge of the PoorWater-Borne Diseases: Cholera and DysenteryIntroductionCholera: Scourge of the PoorEpidemic Dysentery Drinking water can be contaminated during natural disasters such as…
(Encyclopedia) Jamaica Bay, c.20 sq mi (50 sq km), SW Long Island, SE N.Y., separated from the Atlantic Ocean by Rockaway Peninsula; the Rockaway Inlet links it to the sea. The shallow bay has many…
Child's PlayWeatherEl Nio: The Grown-Up ChildThe Connection Between the Sea and the AtmosphereChild's PlayLa Nia: The Kid's Sister El Nio has always been associated with economic hardship along the…
(Encyclopedia) acid rain or acid deposition, form of precipitation (rain, snow, sleet, or hail) containing high levels of sulfuric or nitric acids (pH below 5.5–5.6). Produced when sulfur dioxide and…
(Encyclopedia) Chicago, river, formed in Chicago by the junction of its North Branch (24 mi/39 km long) and South Branch (10 mi/16 km long), and flowing southeast via a canal into the Des Plaines…
(Encyclopedia) lake, inland body of standing water occupying a hollow in the earth's surface. The study of lakes and other freshwater basins is known as limnology. Lakes are of particular importance…
