In Alaska, trees growing at the very edge of their northern range may be influenced by warming climate. Will they eventually take over the tundra beyond? Scientists from Columbia University’s Lamont-Doherty Earth Observatory and other institutions are studying how these remote ecosystems may change. Here’s a video from scientists at the northern edge of the treeline.

For the full story see: http://blogs.ei.columbia.edu/2016/11/16/where-trees-meet-tundra-decoding-signals-of-climate-change

See a photo essay at: http://blogs.ei.columbia.edu/2016/11/16/photo-essay-where-the-trees-meet-the-tundra/

Courtesy of the Lamont-Doherty Earth Observatory at Columbia University’s Earth Institute.