Seven thousand years ago, a major section of Greenland’s ice sheet disappeared entirely. New research confirms it will happen ...

As temperatures rise, reindeer face a growing struggle to reach the lichen they depend on. More frequent and intense droughts, storms and heat waves, melting glaciers, warming oceans and rising sea ...

Global efforts to reduce pollution will not be enough to mitigate the worst effects of climate change, scientists say. We ...

Planting trees has become a widely praised, low-cost way to tackle climate change. Trees absorb carbon dioxide, helping to pull this major greenhouse gas from the air. Yet, when trees are planted in ...

Hundreds of Arctic rivers and streams are turning bright red-orange, not from chemical pollution, but from naturally occurring iron spilling from long-frozen ground as temperatures warm. The "rusting ...

Climate change is starving the Arctic Ocean of essential nutrients, with the region's six largest rivers now delivering far less of the type of nitrogen that marine ecosystems need to survive, ...

VARDØ, Norway (AP) — In one of the top Arctic birding destinations in the world, environmental and health challenges are threatening some of the seabirds that are part of Norway’s unique coastal ...

The frigid temperatures, massive snow and deadly ice storm taking shape east of the Rockies might seem to conflict with life on a rapidly warming planet. But all of these things still happen, even ...