Take a tour of Pleistocene Park in northeastern Siberia, where Russian ecologist Sergey Zimov and his son Nikita are studying how to rewild the Arctic. Introducing herbivores en masse to Siberia and northern Alaska, they believe, would bring back a lost biome—the mammoth steppe—and prevent permafrost from melting and releasing billions of tons of greenhouse gases into the atmosphere.
Story source:http://bit.ly/1QcowK5
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