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How Bitcoin trade is hurting climate change mitigation Summary To keep the Bitcoin blockchain up and constantly running, it requires enormous computing power, consuming huge amounts of hydroelectricity in the process. Global Bitcoin mining and trade consumes 121.36 terawatt-hours (tWh) of electric energy per year, which is more than 15 times the electric power consumed by Kenya annually (7.86 tWh). Thursday April 22 2021 Summary To keep the Bitcoin blockchain up and constantly running, it requires enormous computing power, consuming huge amounts of hydroelectricity in the process. Global Bitcoin mining and trade consumes 121.36 terawatt-hours (tWh) of electric energy per year, which is more than 15 times the electric power consumed by Kenya annually (7.86 tWh). ....
As Arctic sea ice hits annual maximum, concern grows over polar ice loss: Studies by Gloria Dickie on 16 March 2021 Arctic sea ice reaches its annual maximum extent in March. But while ice extent is high this year, scientists are far more concerned by the drastic loss of sea ice volume, which continues its steady decline. A new study has documented drastic ice loss in both the north and south polar regions; scientists found that the single biggest reduction came from Arctic sea ice the Earth lost 7.6 trillion metric tons of it in the last three decades. Another new study shows that the last bastion of old, thick multiyear ice in the Arctic, north of Greenland and Ellesmere Island, is diminishing as the stability of the Nares ice arches declines blockages which work like a cork in a bottle to stop multiyear ice from flowing out into the Atlantic. ....