 | Environmental Protection Agency - Climate Change http://www.epa.gov/climatechange/ [ Edit ] Site Reviews(0)
...The Earth's climate has changed many times during the planet's history, with events ranging from ice ages to long periods of warmth. Historically, natural factors such as volcanic eruptions, changes in the Earth's orbit, and the amount of energy released from the Sun have affected the Earth's climate. Beginning late in the 18th century, human activities associated with the Industrial Revolution have also changed the composition of the atmosphere and therefore likely are influencing the Earth's climate.
The EPA climate change Web site has four main sections on climate change issues and another section on "What You Can Do" to reduce your contribution.
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Added: Aug 25, 2007 Last Update: Aug 25, 2007 Category: Climatology Hits In: 0 Hits Out: 141 |
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