Climate Change & Global Warming

(animation) Decades ago, the majority of the Arctic's winter ice pack was made up of thick, perennial ice. Today, very old ice is extremely rare.

Tuesday, November 1, 2011

  • Satellite observations show that as the Arctic tundra has grown warmer in the past three decades, it has also grown “greener.”

  • Phytoplankton productivity has increased 20 percent over the past decade as sea ice extent declines and more open water habitat is available.