When accounting for emissions from these wildfires, the report card found that the Arctic tundra has shifted from storing carbon to being a source of carbon emissions to the atmosphere.

Beyond explaining how the tundra regions have shifted from being net carbon sinks to net carbon emitters, the report card described a continuing long-term trend toward a warmer and wetter Arctic.

When wildfire emissions were accounted for, the Arctic tundra has shifted from ... and Gabriel Hould Gosselin—the report's chapter on Arctic terrestrial carbon cycling tracks 40 years of ...

Recent findings indicate that the Arctic's traditional role as a planetary cooling agent is faltering, with hotspots and ...

The study suggests one of the main drivers of the shift could be thawing permafrost, frozen ground that covers almost half of ...

Via Shutterstock) The Arctic tundra is now emitting more carbon dioxide than it absorbs, according to the latest Arctic Report Card released by the US National Oceanic and Atmospheric ...

Arctic tundra, which has stored carbon for thousands of years ... The finding was reported in the National Oceanic and Atmospheric Administration's annual Arctic Report Card, released Tuesday. The new ...

In the 2024 Arctic Report Card ... 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 ...

Asked whether the Arctic's shift from carbon sink to source might be ... Warmer temperatures are impacting wildlife too, with the report finding tundra caribou numbers have decreased by 65 percent ...

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 ...