Air

"After two days of deliberations, an unofficial panel of air quality experts has tentatively concluded that EPA's fine particulate matter standards need significant tightening. Though agency leaders may not pay heed to their findings, the panel members are optimistic that federal judges will listen."

"California's top air regulator accused EPA Administrator Andrew Wheeler of twisting facts for political purposes in a letter sent yesterday."

"What was billed as an extraordinary event launched this morning [Thursday] in the most mundane of surroundings: a neutral-toned conference room that featured scientific researchers seated around a makeshift table."

"A reproducing population of brook trout has been discovered in a tiny lake in the Adirondack High Peaks Wilderness for the first time since the lake was declared fishless because of acid rain 32 years ago, New York state officials said."

"The White House refused to meet with two groups of air pollution regulators regarding its rollback of clean car standards, despite holding several meetings with industry advocates."

"A panel of appeals court judges scrapped a Trump-era rule yesterday that it said did not set strong enough restrictions on downwind states' exposure to smog-forming air pollutants produced by upwind neighbors."

"A coalition of New England and mid-Atlantic states on Tuesday took a first step toward limiting transportation emissions across 13 states."

"Global energy-related CO2 emissions are expected to jump roughly 20% between today and 2050, according to a report yesterday from the U.S. Energy Information Administration."

"China has denounced a landmark U.N. deal that caps emissions from international flights, in a setback for an industry eager to placate the growing international movement to curb air travel’s impact on the environment."

"Environment ministers from dozens of countries agreed this week to hasten their efforts to reduce a class of greenhouse gases that, until now, has been largely overlooked in international climate agreements but could play a crucial role in limiting the worst effects of climate change."