![Where Trees Meet Tundra, Decoding Signals of Climate Change](https://science.fas.columbia.edu/wp-content/uploads/2017/05/alaska4.jpg)
Where Trees Meet Tundra, Decoding Signals of Climate Change
Columbia University’s Lamont-Doherty Earth Observatory and other institutions are engaged in a long-term project to sort out what allows trees to survive or not in the borderline environment of the far north.