signals a dramatic shift in this Arctic ecosystem, which could have widespread implications for the global climate. "The tundra, which is experiencing warming and increased wildfire, is now ...

The increase in average temperatures is changing weather and landscapes in the Arctic, speeding up the climate crisis ...

"Our observations now show that the Arctic tundra, which is experiencing warming and increased wildfire, is now emitting more carbon than it stores, which will worsen climate change impacts ...

what we found is that the tundra region has shifted from a carbon sink, which it has been for many thousands of years,” said Susan Natali, an Arctic ecologist at the Woodwell Climate Research ...

The Arctic tundra has shifted from storing carbon in ... Card of President Joe Biden’s term injects uncertainty into the climate picture at the same time that NOAA and other U.S. science ...

open image in gallery With wildfires and increased warming, scientists say the Arctic’s tundra is now a carbon source. The region had been a carbon sink for thousands of years (NOAA Climate.gov ...

Rising temperatures are stoking wildfires in the Arctic ... by climate change, release carbon trapped in soil and plants. More frequent infernos have now transformed the tundra into a net source ...

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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 ...