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Hydroelectricity
Hydroelectricity is electricity obtained from hydropower. Most hydroelectric power comes from the potential energy of dammed water driving a water turbine and generator. Less common variations make ... > more -
Soil contamination
Soil contamination is the presence of man-made chemicals or other alteration to the natural soil environment. This type of contamination typically arises from rupture of underground storage tanks, ... > more -
Water pollution
Water pollution is a large set of adverse effects upon water bodies (lakes, rivers, oceans, groundwater) caused by human activities. Although natural phenomena such as volcanoes, storms, earthquakes ... > more -
Scientific opinion on climate change
Various prominent bodies have commented on global warming, most notably the Intergovernmental Panel on Climate Change (IPCC). National and international scientific groups have issued statements both ... > more -
Effects of global warming
The predicted effects of global warming are many and various, both for the environment and for human life. There is some speculation that global warming could, via a shutdown or slowdown of the ... > more -
Nitrogen oxide
NOx is a generic term for the various nitrogen oxides produced during combustion. They are believed to aggravate asthmatic conditions, react with the oxygen in the air to produce ozone, which is also ... > more
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