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Pollution: Topic Page
The concept of pollution consists of the inappropriate or undesirable mixing of items or elements that may in themselves be quite appropriate or desirable.
Air Pollution: Topic Page
Contamination of the air by noxious gases and minute particles of solid and liquid matter (particulates) in concentrations that endanger health.
Noise Pollution: Topic Page
Human-created noise harmful to health or welfare.
Nuclear Waste: Topic Page
The radioactive and toxic by-products of the nuclear energy and nuclear weapons industries.
Oil Spills: Topic Page
Oil discharged from an ocean-going tanker, pipeline, or oil installation, often as a result of damage.
Smog: Topic Page
Smog (smŏg) [smoke+fog], dense, visible air pollution. Smog is commonly of two types.
Water Pollution: Topic Page
Contamination of water resources by harmful wastes; see also sewerage, water supply, pollution, and environmentalism.
Threats to the Environment
Acid Rain: Topic Page
Acidic precipitation thought to be caused mainly by the release into the atmosphere of sulphur dioxide (SO2) and oxides of nitrogen.
Deforestation: Topic Page
Destruction of forest for timber, fuel, charcoal burning, and clearing for agriculture and extractive industries, such as mining.
Global Warming: Topic Page
Increase in average global temperature, amounting to approximately 0.74°C/1.3°F from 1906 to 2005.
Hunting: Topic Page
Act of seeking, following, and killing wild animals for consumption or display.
Soil Erosion: Topic Page
Wearing away and redistribution of the Earth's soil layer.
Chernobyl: Topic Page
Town in northern Ukraine, 100 km/62 mi north of Kiev; site of a former nuclear power station.
Love Canal: Topic Page
Section of Niagara Falls, N.Y., that formerly contained a canal that was used as chemical disposal site.
Three Mile Island
From The Reader's Companion to American History
An unlikely series of mechanical and human errors in Unit 2 of the nuclear generating plant at Three Mile Island, near Harrisburg, Pennsylvania, in 1979 resulted in an accident that profoundly affected the utility industry.