Effort to save beavers has had unfortunate side effect

December 21, 2014 1:03 PM

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Effort to save beavers has had unfortunate side effect

We were just trying to help. Turns out the efforts of humankind to save beavers from extinction over the past century have had an eco-unfriendly side effect: The animals, whose population has rebounded, are contributing to climate change, researchers say at EurekAlert.

Beaver dams create shallow ponds, which can host growing levels of carbon as biological material accumulates on the floor. The result is methane, a greenhouse gas that doesn't dissolve in the ponds; instead, it travels into the atmosphere.

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