impact: This feedback loop, on top of the loss of heat-deflecting white ice, will cause global warming and its costs to rise by five per cent, according to Nine News Australia. The study, published in Nature Communications, is the first to calculate the economic impact of melting permafrost. To improve your experience update it here News World Melting permafrost in Arctic will cost the world 98 trillion, study claims By 9News Staff12 22pm Apr 24, 2019Facebook Tweet Mail The release of methane and carbon dioxide from melting permafrost in the Arctic will add US70 trillion 98 trillion to the world's climate change bill, a new study has claimed. An iceberg in Disko Bay, Greenland, above the Arctic Circle. According to the study's authors, the Arctic feedback loop will amplify global warming by five per cent if countries don't improve on their commitments to cut emissions under the Paris climate agreement. AP/AAP On current trajectories of 3C of warming by the end of the century, melting permafrost is expected to release 280 gigatonnes of carbon dioxide and three gigatonnes of methane, which has a climate impact up to 20 times stronger than CO2.
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