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Trees and shrubs are taking hold on what was once tundra, like this young pine and surrounding shrubs in Norway's Arctic Finnmark. | Hans Tommervik of NINA, Norway
Tech

Global Warming Pushing Trees North: The Evidence

Global warming could replace tundra with forests and vineyards by the end of this century.

March 11, 2013
8:30 AM EDT
NASA Vegetation Index | NASA's Goddard Space Flight Center Scientific Visualization Studio
Northern Siberian foothills. | Bruce Forbes of The Arctic Centre, University of Lapland, Finland
Russia's Altai Mountains. | Sergey Kirpotin, Tomsk State University & Terry Callaghan - EU-Interact
More heat without more water makes for a drier climate. | Ranga Myneni/ Boston University

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