NOAA scientists have documented profound change in the frozen north as U.S. government science itself faces an uncertain ...

Fires, intensified by climate change, release carbon trapped in soil and plants. More frequent infernos have now transformed ...

Arctic tundra is releasing greenhouse gases into the atmosphere as hotter temperatures melt frozen ground and wildfires ...

The Arctic tundra has historically helped reduce global emissions. But rising temperatures and wildfires in the region are changing that, scientists say.

The last nine years have been the warmest ever recorded in the Arctic Circle, and this year saw a number of new milestones in ...

A team of scientists, led by a climate expert from the University of Lincoln, U.K., says that continued rapid warming in the ...

NOAA scientists and affiliated researchers have documented profound change in the frozen north as U.S. government science ...

The authors of this year’s Arctic Report Card said the consistently extreme climate observations in the Arctic indicate a ...

For millennia, the tundra regions of the Arctic drew in carbon from the atmosphere and locked it in permafrost. That is the ...

The Arctic is now a carbon source, instead of a carbon sink, according to a new report released by NOAA. Warming temperatures ...

Arctic Report Card, 97 scientists from 11 countries, with expertise ranging from wildlife to wildfire and sea ice to snow, describe the rapid changes they’re witnessing across the Arctic and the ...

The Arctic experienced its second-hottest year on record, according to a NOAA report. The Arctic tundra has become a source ...