Scientists warn that the Siberian tundra could disappear by the year 2500 if greenhouse gas emissions are not reduced. The melting of permafrost could pose serious problems for our planet.

Scientists warn that the Siberian tundra could disappear by the year 2500 if greenhouse gas emissions are not reduced. The melting of permafrost could pose serious problems for our planet.

Outside, seven more of the teepee-like tents cluster in a semicircle. Swells of Siberian tundra roll north toward the Arctic Ocean; a reindeer herd grazes on a distant crest. It’s mid-July ...

Ancient hunters killed woolly mammoths for their meat. Today in Russia’s Arctic the search is on for their valuable tusks. 15 min read This story appears in the April 2013 issue of National ...