Thaw is a problem because permafrost holds enormous amounts of carbon, more than twice as much as is already present in the ...

A group of international scientists contends that planting trees at high latitudes will accelerate global warming rather than ...

Toolik, located 370 miles north of Fairbanks and America’s only Arctic research station, covers 34 acres upon which up to 175 ...

The two leaders will meet in Peru, where China has steadily expanded its influence in a challenge to the United States in its own region. By David Pierson and Mitra Taj Displaced young ...