Arctic melt is revealed in this dramatic video that shows an arctic ice cap becoming open sea and islands. Its effects on polar bears are narrated. Great for an environmental studies class or simply to raise awareness of global warming.

Learn about the different features of snow and ice in Antarctica using satellite imagery in this video segment adapted from NASA. Includes background reading material and discussion questions. [2:37]

In this video segment adapted from NASA, students will take a tour of the cryosphere in North America and the Arctic using satellite imagery. Includes background reading material and discussion questions. [3:59]

It has been said that the frozen parts of our planet, also known as the cryosphere, may be the proverbial 'canary in the coal mine' when it comes to climate change. This video shows some of the most dramatic fluctuations to our...

Travel along on the research vessel Polarstern to learn about the Arctic ecosystem. Scientists will describe the relationship between annual variations in sea ice and the krill population which is fundamental to the Antarctic food web....