polar bear

  • Earth Talk

    Roddy Scheer & Doug Moss /EarthTalk Global warming is definitely already taking its toll on wildlife around the world. Rising temperatures are changing weather and vegetation patterns from pole to pole, forcing animals of just about every stripe to migrate to new areas in order to survive. But not...
  • The Arctic

    The image of a polar bear standing on a shrinking iceberg has become one of the most iconic symbols of global warming, yet few of us realize just how important the Arctic’s ice is, wherever we may live on the earth. Researchers consider the Arctic to be an “indicator...