We look at the worrying trend of carbon emissions from the Arctic tundra, the coldest region in the planet, and the geography of biomes. The extreme weather event is Cyclone Chido that struck Mayotte, ...

Arctic tundra, a frozen treeless biome which has stored carbon for thousands of years, has now become a source of heat-trapping greenhouse gases (GHGs) which are the primary drivers of global warming, ...

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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 ...

The consequences reach across the globe. The Arctic tundra now releases more carbon than it naturally draws down from the sky, as wildfires burn down its trees and permafrost thaw releases potent ...

For millennia, the Arctic tundra has helped stabilize global temperatures by storing carbon in the frozen ground. Wildfires have changed that, according to the latest Arctic Report Card released ...

For millennia, the tundra regions of the Arctic drew in carbon from the atmosphere and locked it in permafrost. That is the case no more, according to an annual report issued on Tuesday by the ...

"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," said ...

For thousands of years, the Arctic tundra landscape of shrubs and permafrost, or frozen ground, has acted as a carbon dioxide sink, meaning that the landscape was taking up and storing this gas that ...