An annual report reveals 2021 has been a year of dramatic change in the Arctic, with greening tundras, infrastructure-destroying permafrost melts and never-before-seen rainfall on the summit of Greenland’s ice cap
2021 has been a year of dramatic change in the Arctic, with greening tundras, infrastructure-destroying permafrost melts and never-before-seen
on the summit of Greenland’s ice cap—not to mention a burgeoning army of destructive beavers—according to an annual U.S. government report.Key Facts The Arctic is warming more than twice as fast as the rest of the world, according to the National Oceanic and Atmospheric Administration’s latestArctic surface air temperatures from October 2020 to September 2021 were the seventh warmest on record, making it the eighth consecutive year that surface air temperatures were at least 1 degree Celsius over the long-term average, the report said., as taller and more abundant shrubs take root where permafrost has melted.
Known trends such as the retreat of sea ice were confirmed by new data, with 15 of the lowest summer sea ice levels having occurred in the last 15 years.in the frequency bands used by marine mammals like whales and seals, possibly interfering with their communication.by melting glaciers and permafrost, which can trigger sudden and life-threatening events like tsunamis, avalanches and rockslides.... [+]The Arctic Report Card is a peer-reviewed report issued annually by NOAA since 2006.
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Arctic Report Card: Climate change transforming Arctic into ‘dramatically different state’ | National Oceanic and Atmospheric Administration
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