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Most organisms are sensitive to the environmental perturbations that they already have experienced as a result of climate change.

Polar bear mother and cub on an iceflow.

Scott Schielbe, US Fish & Wildlife Service

Biosphere	Ecosystem Disturbance	Species Shifts

 

• Featured News Climate Change Escape Routes

  One if by Land, Two if by Sea? Climate Change "Escape Routes" Similar movement rates needed for animals and plants on land and in the oceans One if by land, two if by... More »

• Featured Article Life from the Skies?

    ?Main Image Explanation: What's that behind Titan? It's another of Saturn's moons: Tethys. The robotic Cassini spacecraft orbiting Saturn captured the... More »

Recently Updated

Climate change effects on birds Last Updated on 2013-02-05 at 21:47 Introduction Many birds species all over the world are highly sensitive to the effects of climate change. Scientists have found declines of up to 90 percent in some... More »

Colorado River water supply Last Updated on 2012-09-11 at 14:20 This curriculum module will look at the Colorado River water supply, climate issues and water extraction issues. We will study the data, the possible consequences to various... More »

Oil Weathering Process Last Updated on 2012-08-21 at 22:06   Introduction Years after the Exxon Valdez Oil Spill of 1989, Prince William Sound, Alaska continues to be adversely affected. The severity of the damage from a... More »

Ocean acidification troubles Last Updated on 2012-08-21 at 21:50 The seas in which corals and other calcifying species dwell are turning acidic, their pH slowly dropping as Earth's oceans acidify in response to increased carbon dioxide... More »

Life from the Skies? Last Updated on 2012-08-21 at 13:06   ?Main Image Explanation: What's that behind Titan? It's another of Saturn's moons: Tethys. The robotic Cassini spacecraft orbiting Saturn captured the... More »

Amphibians: Tough Times for Toads and Frogs Last Updated on 2012-08-13 at 12:03 Amphibians have not fared very well in recent years. Since 1980, 32.3% of amphibious species (1,856 out of 5,743 known species) have declined in population size, 7.4% sit... More »

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