permafrost RSS

GHGs, green methane, permafrost -

𝗘𝗺𝗲𝗿𝗴𝗲𝗻𝘁 𝗯𝗶𝗼𝗴𝗲𝗼𝗰𝗵𝗲𝗺𝗶𝗰𝗮𝗹 𝗿𝗶𝘀𝗸𝘀 𝗳𝗿𝗼𝗺 𝗔𝗿𝗰𝘁𝗶𝗰 𝗽𝗲𝗿𝗺𝗮𝗳𝗿𝗼𝘀𝘁 𝗱𝗲𝗴𝗿𝗮𝗱𝗮𝘁𝗶𝗼𝗻 - 𝗡𝗮𝘁𝘂𝗿𝗲 𝗖𝗹𝗶𝗺𝗮𝘁𝗲 𝗖𝗵𝗮𝗻𝗴𝗲

𝗘𝗺𝗲𝗿𝗴𝗲𝗻𝘁 𝗯𝗶𝗼𝗴𝗲𝗼𝗰𝗵𝗲𝗺𝗶𝗰𝗮𝗹 𝗿𝗶𝘀𝗸𝘀 𝗳𝗿𝗼𝗺 𝗔𝗿𝗰𝘁𝗶𝗰 𝗽𝗲𝗿𝗺𝗮𝗳𝗿𝗼𝘀𝘁 𝗱𝗲𝗴𝗿𝗮𝗱𝗮𝘁𝗶𝗼𝗻 - 𝗡𝗮𝘁𝘂𝗿𝗲 𝗖𝗹𝗶𝗺𝗮𝘁𝗲 𝗖𝗵𝗮𝗻𝗴𝗲

The Arctic cryosphere is collapsing, posing overlapping environmental risks. In particular, thawing permafrost threatens to release biological, chemical and radioactive materials that have been sequestered for tens to hundreds of thousands of years. As these constituents re-enter the environment, they have the potential to disrupt ecosystem function, reduce the populations of unique Arctic wildlife and endanger human health. Here, we review the current state of the science to identify potential hazards currently frozen in Arctic permafrost. We also consider the cascading natural and anthropogenic processes that may compound the impacts of these risks, as it is unclear whether the highly...

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