Researchers at Columbia University's Department of Earth and Environment Science have discovered new implications for the Arctic carbon cycle in the face of climate change. Their paper, published ...

WASHINGTON, D.C.—The icy region at the top of the globe, lashed by wildfire and pelted with increasingly heavy precipitation, has tipped into “uncharted territory,” scientists reported Tuesday.

As the frozen ground warms much faster than expected, it’s reshaping the landscape—and releasing carbon gases that fuel global warming. The Batagaika crater in eastern Siberia, half a mile ...

Once a vital carbon sink, the Arctic-Boreal Zone (ABZ) is now releasing more CO₂ than it captures. Large swathes of tundra, forests, and wetlands are shifting from absorbers to emitters ...