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   Water pollution

   Eutrophication is an increase in the concentration of chemical nutrients in an ecosystem to an extent that increases in the primary productivity of the ecosystem. ... Thermal pollution from runoff can be controlled by stormwater management facilities that absorb the runoff or direct it into groundwater, such as bioretention systems and infiltration basins.
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   Pollution

   Pollution is the introduction of contaminants into an environment that causes instability, disorder, harm or discomfort to the ecosystem i.e. physical systems or living organisms. ... Core samples of glaciers in Greenland indicate increases in pollution associated with Greek, Roman and Chinese metal production.
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   Changsha

   Changsha (simplified Chinese: 长沙; traditional Chinese: 長沙; pinyin: Chángshā; Wade-Giles: Chang-sha) is the capital city of Hunan, a province of south-central China, located on the lower reaches of Xiang river, a branch of the Yangtze River. ... Along with economic growth, environmental pollution in Changsha has become a serious problem, with rapidly increasing numbers of private cars, construction fields everywhere, and numerous industrial facilities on the outskirts of the city (2007).
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   Thermal pollution

   Thermal pollution is the degradation of water quality by any process that changes ambient water temperature. ... Primary producers are affected by warm water because higher water temperature increases plant growth rates, resulting in a shorter lifespan and species overpopulation.
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   Air pollution

   Air pollution is the introduction of chemicals, particulate matter, or biological materials that cause harm or discomfort to humans or other living organisms, or damages the natural environment, into the atmosphere. ... A number of studies have also investigated the potential for long-term rising levels of atmospheric carbon dioxide to cause increases in the acidity of ocean waters and the possible effects of this on marine ecosystems.
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   Visual pollution

   Visual pollution is the term given to unattractive and man-made visual elements of a vista, a landscape, or any other thing that a person does not feel comfortable to look at. ... Thus, the state ordered industries on both rivers to install pollution controls, including pretreatment facilities for plants discharging into municipal sewer systems.
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   Light pollution

   Light pollution, also known as photopollution or luminous pollution, is excessive or obtrusive artificial light. ... If a full moon is present, the sky brightness increases to 18 magnitude/sq. arcsecond, 40 times brighter than the darkest sky.
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   Ship pollution

   Ship pollution is the pollution of air and water by shipping. ... In the Caribbean, many ports lack proper waste disposal facilities, and many ships dump their waste at sea.
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   Environment pollution in India

   These trends, combined with increasing industrial and motor vehicle pollution output, have led to atmospheric temperature increases, shifting precipitation patterns, and declining intervals of drought recurrence in many areas. ... Out of India's 3,119 towns and cities, just 209 have partial treatment facilities, and only 8 have full wastewater treatment facilities (WHO 1992).
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    Pollution in China

    Pollution is causing serious problems in China. ... However, previously he and other local officials said that Beijing would divert up to 400 million cubic meters of water from Hebei for the Games with water-diversion facilities and pipes been built to pump water from four reservoirs in Hebei.

Explore the following pages on Powerset:

• Water pollution,
• Pollution,
• Changsha,
• Thermal pollution,
• Air pollution,
• Visual pollution,
• Light pollution,
• Ship pollution,
• Environment pollution in India,
• Pollution in China

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