prevention of water pollution

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• Water pollution — Raw sewage and industrial waste flows across international borders New River passes from Mexicali to Calexico, California. Water pollution is the contamination of water bodies (e.g. lakes, rivers, oceans and groundwater). Water p …   Wikipedia

• Water conflict — Water war redirects here. For the type of mock combat, see Water fight. Water conflict is a term describing a conflict between countries, states, or groups over an access to water resources.[1][2][3] The United Nations recognizes that water… …   Wikipedia

• Water stagnation — occurs when water stops flowing. Stagnant water can be a major environmental hazard.DangersMalaria and dengue are among the main dangers of stagnant water, which can become a breeding ground for the mosquitoes that transmit these… …   Wikipedia

• Pollution lumineuse — L’expression pollution lumineuse (light pollution, ou photopollution pour les anglophones) désigne à la fois la présence nocturne anormale ou gênante de lumière et les conséquences de l éclairage artificiel nocturne sur la faune, la flore, la… …   Wikipédia en Français

• Pollution — For the Fransisco Battiato album, see Pollution (album). For the Goodies episode, see Pollution (The Goodies). Air pollution from World War II weapon production in Alabama, 1942 …   Wikipedia

• Water resources of the People's Republic of China — The Water resources of China are affected by pollution, contamination and regional scarcity. Water resources management is fragmented among various agencies and levels of government. Water quality The quality of groundwater or surface water is a… …   Wikipedia

• Water purification — This article is about large scale, municipal water purification. For portable/emergency water purification, see portable water purification. For industrial water purification, see deionized water. For distilled water, see distilled water. Water… …   Wikipedia

• Pollution sonore — La circulation automobile en ville, source majeure de nuisances sonores (Bangkok) …   Wikipédia en Français

• pollution — /peuh looh sheuhn/, n. 1. the act of polluting or the state of being polluted. 2. the introduction of harmful substances or products into the environment: air pollution. [1350 1400; ME pollucioun ( < OF) < LL pollution , s. of pollutio… …   Universalium

• Pollution in China — Beijing air on a day after rain (left) and a sunny but Smoggy day (right) Pollution is causing serious problems in China. Contents 1 …   Wikipedia

• Water fluoridation — Fluoridation does not affect the appearance, taste or smell of drinking water.[1] Water fluoridation is the controlled addition of fluoride to a public water supply to reduce tooth decay. Fluoridated water has flu …   Wikipedia