Physical Earth
Earth's climate has warmed, its sea levels have risen, ice masses have diminished, precipitation patterns have shifted, and acidity and salinity of bodies of water have increased, atmospheric circulation patterns are more variable, and global chemical cycles have changed.
Easton Glacier on Mt. Baker, Washington in 2003. The red line marks the extent of the glacier in 1985.
Mauri S. Pelto, Nichols College
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Featured Article
Global Forecast for the 21st Century
Average global temperatures are anticipated to warm by somewhere between 1.5°C and 6.8°C from 2000 to 2100, depending on human activities . These changes will not be... More »
Nuclear power
Last Updated on 2013-04-30 at 15:25
Nuclear power is the generation of electricity from controlled reactions within the nucleii of atoms that release energy used to boil water, the steam from which drives a... More »
Impacts of climate change on water supply
Last Updated on 2012-08-26 at 16:55
David C. Major, Cynthia Rosenzweig, Vivien Gornitz, & Radley Horton
Columbia University Earth Institute, Center for Climate Systems Research
The impacts of climate... More »
Sea water
Last Updated on 2012-08-23 at 02:02
Sea Water
If there is one thing that just about everyone knows about the ocean is that it is salty. The two most common elements in sea... More »
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