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.
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...
Nuclear powerLast 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 »
Colorado River water supply Last Updated on 2012-09-11 at 14:20
This curriculum module will look at the Colorado River water supply, climate issues and water extraction issues. We will study the data, the possible consequences to various... More »
Impacts of climate change on water supplyLast 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 waterLast Updated on 2012-08-23 at 02:02
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 »
Tracking the Global Carbon CycleLast Updated on 2012-08-22 at 14:54
Carbon dioxide (CO2) is the primary anthropogenic (man-made) greenhouse gas in terms of concentration and effect. It is responsible for about one-third of the global warming... More »