Climate Change

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Over the last 50 years, the Earth’s atmosphere has been warming at an alarming rate. Thirteen hundred independent scientists from around the world—as part of the Intergovernmental Panel on Climate Change—have determined there’s a 90 percent probability that it’s human activities that have contributed to this accelerated warming. Learn more about global warming’s causes, consequences and possible solutions.

Behind the Scenes: Arctic Dip

Keith, Ronnie and students swim among Arctic glaciers.