Washington Post

03 ozone graphic

For the first time, researchers detect significant dip in global atmospheric levels of HCFCs

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Almost 30 years after nations first agreed to phase out these chemicals, which were widely used for air conditioning and refrigeration, scientists say global concentrations peaked in 2021. Since then, the ozone-depleting potential of HCFCs in the atmosphere has fallen by about three-quarters of a percentage point. Though small, that decline comes sooner than expected and represents a significant milestone for the international effort to preserve the ozone layer.

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A Polar bear surrounded by arctic wilderness

Biden limits oil drilling across 13 million acres of Alaskan Arctic

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Future oil and gas drilling will be limited across more than 13 million acres of the National Petroleum Reserve-Alaska, the nation’s largest expanse of public land, under a sweeping Biden administration plan aimed at protecting sensitive ecosystems and wildlife. In a separate move, the Department of the Interior has announced that it will block a controversial road crucial to operating a planned copper and zinc mine in northern Alaska, saying it would threaten Indigenous communities and fragment wildlife habitat.

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