"Arctic sea ice declined dramatically in 2007 and has never recovered. New research suggests the loss was a fundamental change unlikely to be reversed this century, if ever — perhaps proof of the sort of climate tipping point that scientists have warned the planet could pass as it warms."

"The Texas State Board of Education altered its internal guidance to schools last month to emphasize the “positive” aspects of fossil fuels in science textbooks."

"Federal regulators overseeing West Coast fisheries have effectively called off California’s entire 2023 ocean salmon fishing season, in an effort to protect fish populations that have dwindled during the ongoing drought."

"Mandatory water restrictions are being lifted for nearly 7 million people across Southern California following winter storms that have boosted reservoirs and eased the severe shortage that emerged during the state’s driest three-year period on record."

"A cancer-causing chemical that is widely used to degrease aviation components and heavy machinery could also be linked to Parkinson’s disease, according to a new research paper that recommends increased scrutiny of areas long contaminated by the compound."

"The Biden administration on Wednesday finalized a rule forcing factories and power plants in 23 Western and Midwestern states to sharply cut smog-causing pollution that is released from their smokestacks and fouls the air in Eastern states."

"Few spiders in the United States have a more fearsome reputation than black widows. But throughout the South, the bulbous arachnids with red hourglasses on their bellies are engaged in a lethal competition with the brown widow, a relative from abroad — and they’re losing."

"Nike said it will stop using kangaroo skins for its shoes this year, weeks after a similar step from German rival Puma, which would end a highly controversial practice that has drawn ire from consumers and animal rights activists."