A Tour of the Cryosphere: Earth's Frozen Assets
The cryosphere (earth's frozen water, in the form of glaciers, permafrost, etc.) has an enormous impact on weather patterns, ocean currents, and the general well being of our planet. This amazing segment explains the importance of Antarctica, drifting polar sea ice and the shrinking cap around the North Pole. This narrated footage documents trends that occurred over 25 years.
NASA
• Audio • Pictures and/or Illustrations
• High School Middle School Elementary School
Mark Hannah
