The news that the frigid Arctic tundra ringing the polar region has switched from being a net absorber, or "sink," of planet-warming greenhouse gases to a net emitter, or "source," indicates the ...

The Arctic is rapidly changing from the climate crisis, with no "new normal," scientists warn.; Wildfires and permafrost thaw ...

Arctic tundra, which has stored carbon for thousands of years, ... Since 2003, emissions from polar wildfires have averaged 207 million tons of carbon per year.

The report is an annual assessment of the polar environment, ... the Arctic tundra region has shifted from storing carbon in the soil to becoming a carbon dioxide source. NOAA ...

The Arctic is rapidly changing from the climate crisis, with no "new normal," scientists warn. Wildfires and permafrost thaw are making the tundra emit more carbon than it absorbs. From beaver ...

Arctic tundra, Alaska’s Seward Peninsula.(Courtesy Gerald Frost/NOAA) ... Since 2003, emissions from polar wildfires have averaged 207 million tons of carbon per year.

Around 5 percent of the tundra's vegetation can only be found in the Arctic. The tundra is also home to rare species like reindeer, snow owls, polar bears, and lemmings.

The tundra surrounding Churchill, Manitoba, hosts one of the biggest gatherings of the planet's largest land carnivore. Every year, polar bears congregate to wait for the sea ice to start forming ...

A 29-year-old female polar bear named Tundra, who arrived at the Detroit Zoo just a few months ago from Indianapolis, died Monday morning after battling a sudden illness.

Changes to Arctic vegetation will naturally follow shifts in the region's climates: Tundra coverage would shrink by 33 to 44 percent by the end of the century, while temperate climate types that ...

The Arctic is rapidly changing from the climate crisis, with no "new normal," scientists warn. Wildfires and permafrost thaw are making the tundra emit more carbon than it absorbs. From beaver ...

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