Chinmaya IAS Academy – Current Affairs Chinmaya IAS Academy – Current Affairs
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Global warming is heating the Arctic at a record pace, driving broad environmental changes across the planet, including extreme storms in the mid-latitudes, a major U.S. scientific report said on Tuesday. Persistent heat records have rattled the fragile Arctic in the past five years, a record-long warming streak, said the 2018 Arctic Report Card, released by the National Oceanic and Atmospheric Administration. The mounting heat in the north is upsetting typical weather patterns, a trend that “coincides” with severe winter storms in the eastern U.S. and an extreme cold snap in Europe in March, it said. “Continued warming of the Arctic atmosphere and ocean are driving broad change in the environmental system in predicted and, also, unexpected ways,” warned the report. “New and rapidly emerging threats are taking form and highlighting the level of uncertainty in the breadth of environmental change that is to come.” Arctic air temperatures for the past five years, from 2014 to 2018, “have exceeded all previous records since 1900”, it said. From October 2017 through September 2018, annual average temperature in the Arctic was 1.7 Celsius higher than the 1981-2010 average.
