NASA
Nasa Earth Observatory: Polar Paradox
In this article about global warming, learn how the warming climate could affect the polar ice caps, glaciers, sea ice, and amount of freshwater entering the polar oceans. Read how some scientists believe global warming could add to...
PBS
Pbs Teachers:world in the Balance: Who Will Take the Heat?
Examine the environmental, economic and political issues surrounding global climate change policy. Conduct a role-play, and explore the options available to tackle global climate issues.
National Wildlife Federation
National Wildlife Federation: Global Warming and Hurricanes
Will global warming make stronger hurricanes? This informative resoruce delves into this question and provides an insight into what the prevailing school of thought is on this subject.