"The most climate-stressed regions all contained permafrost, which is vulnerable to thaw as temperatures rise," researcher Sue Natali said.

For millennia, the Arctic-boreal zone has acted as a critical carbon reservoir, locking away vast amounts of carbon dioxide ...

Animation of terrestrial CO 2 fluxes in the Arctic-boreal zone by month ... and vegetation records to produce living maps of Earth's otherwise invisible exhalations and inhalations.

An international team led by Woodwell Climate Research Center found that a third (34%) of the Arctic-boreal zone (ABZ ... records to produce living maps of Earth's otherwise invisible exhalations ...