From Alaska to Siberia, the Arctic is changing so rapidly that there is no "normal" there now, scientists warn. The ...

The Arctic tundra is now emitting more carbon dioxide ... When permafrost thaws, carbon that has been stored in the frozen ...

Arctic tundra, which has stored carbon for thousands ... hastening melting of the frozen soil. Once the ground thaws, microbes in the soil become active and consume the newly available carbon ...

That causes the soil to heat up and thaw, its carbon repositories decompose along with it. Research included in NOAA's Arctic report shows carbon once stored in the tundra's permafrost is actually ...

Arctic tundra, which for thousands of years was a ... As climate warms, as those soils warm, that could be released. The scientific consensus is that some of that will be released.

It contained sobering news about the state of the tundra. NOAA reported that after storing carbon dioxide in its frozen soil for millennia, the Arctic is being transformed into a source of carbon ...

release carbon trapped in soil and plants. More frequent infernos have now transformed the tundra into a net source of carbon dioxide emissions. It’s a dramatic shift for the Arctic, and one ...

As permafrost — Arctic soil that typically remains frozen year ... This year, wildfires raging across the tundra also added to the region’s emissions total by further melting the permafrost ...

NGEE Arctic added tundra field sites about 500 miles southward on the Seward Peninsula near Nome, Alaska. This region is hilly and underlain with more varied permafrost, as some of the soils in ...

The tundra is now a global carbon emitter. Cladonia stellaris growing in thin soil over rocks. (photo credit: Dajra. Via Shutterstock) The Arctic tundra is now emitting more carbon dioxide than it ...

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 ...