Global warming just got a brand-new source for trapping heat as Arctic tundra turns up the dial on CO2 emissions. It’s now in the ranks of cars, trains, ...

Arctic tundra, which has stored carbon for thousands ... driven primarily by burning fossil fuels. Map of the Arctic. (Courtesy Sarah Battle/NOAA Pacific Marine Environmental Laboratory) This ...

The consequences reach across the globe. The Arctic tundra now releases more carbon than it naturally draws down from the sky ...

The tundra biome is the coldest and one of the largest ecosystems on Earth. It covers about one-fifth of the land on the planet, primarily in the Arctic circle ... the world at elevations above ...

The Arctic tundra has shifted from storing carbon in ... as much carbon as is in all of the above-ground biomass in the world’s forests. In 2024, temperatures at nine of the 20 long-term ...

After locking carbon dioxide in its frozen soil for millennia, the Arctic tundra is undergoing a dramatic ... consequences ...

Arctic tundra ... report card describes changes in a region of the world that has warmed up at nearly four times the global rate. The tundra regions’ switchover from sink to source has occurred ...

A focus of the latest Arctic evaluation was the effects of warmer weather and wildfires on the tundra, a far-northern biome that's typically known for extreme cold, little precipitation and a ...

Arctic tundra, which has stored carbon for thousands ... in permafrost—more carbon than in all the trees in all the world's forests, according to Natali. So melting permafrost could become ...

The Arctic tundra, a critical “carbon sink” for thousands ... But, it is also one of the fastest-warming places in the world. Scientists say that the rapid warming is due to human-caused ...

For millennia, the Arctic tundra has helped stabilize global temperatures ... And now, the Arctic needs help from other regions of the world that are producing vastly more planet-heating pollution.