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 are making the tundra emit more carbon than it absorbs. From beaver ...

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 ...

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.

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 now emits planet-warming pollution, federal report finds. Barbara Moran; ... Since 2003, emissions from polar wildfires have averaged 207 million tons of carbon per year.

Arctic Tundra Has Long Helped Cool Earth. ... in the National Oceanic and Atmospheric Administration’s Arctic Report Card, the agency’s yearly checkup on the polar region.

Arctic tundra is releasing greenhouse gases into the atmosphere as hotter temperatures melt frozen ground and ... emissions from polar wildfires have averaged 207 million tons of carbon per ...

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 ...

Arctic tundra, which has stored carbon for thousands of years, has now become a source of planet-warming pollution. As wildfires increase and hotter temperatures melt long-frozen ground, the ...