PBS
Pbs Nova: Vanishing Into Thin Air
Glaciers are shrinking at an alarming rate. Witness the dramatic melting of Peru's Qori Kalis glacier. Investigate some of the benefits of glaciers as well as the negative effects that will result when the glaciers are gone.
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...