Planting trees has become a widely praised, low-cost way to tackle climate change. Trees absorb carbon dioxide, helping to ...

Warming in the Arctic is intensifying methane emissions, contributing to a vicious feedback loop that could accelerate climate change even more, according to a new study published May 7 in Nature.

By Elizaveta Vereykina The Norwegian Meteorological Institute (MET) has been monitoring sea ice for decades. The maps it ...

Harvard Kennedy School Professor John Holdren and Arctic Initiative director Jennifer Spence say multiple new threats are ...