Arctic

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Extreme Arctic melting has a new suspect: The same powerful gases screwing over the ozone

Half of Arctic climate change between 1955 and 2005 may be attributed to ozone-depleting substances banned in 1987 by the Montreal Protocol. Image: Mario Tama / Getty Images By Brittany Levine Beckman2020-01-20 23:51:51 UTC They were once abundant, in our hairsprays, bug sprays, and refrigerators. And then scientists figured out these substances ripped a hole in the ozone layer, leading to a 1987 plan to phase them out that over

Arctic sea ice plunges to dismal levels

Sea ice in the Canadian Arctic Archipelago. Image: AP / Shutterstock By Mark Kaufman2019-09-23 21:02:25 UTC After a year of extreme melt, Arctic sea ice ended up dropping to its second-lowest level on record — a mark only surpassed by melting in 2012. The National Snow and Ice Data Center (NSIDC) announced Monday that the Arctic’s minimum sea ice extent for 2019 — meaning the smallest area of Arctic ocean