"The U.S. Interior Department on Wednesday will auction vast oil reserves in the Gulf of Mexico estimated to hold up to 1.1 billion barrels of crude, the first such sale under President Joe Biden and a harbinger of the challenges he faces to reach climate goals that depend on deep cuts in fossil fuel emissions."

"Activist Justin J. Pearson had barely finished one environmental fight before he realized he needed to get involved in another. ...The Tennessee Valley Authority is preparing to store coal ash, a by-product of coal burning, in Southeast Memphis."

"Barely a mile from the southern shore of the Salton Sea — an accidental lake deep in the California desert, a place best known for dust and decay — a massive drill rig stands sentinel over some of the most closely watched ground in American energy."

"Environmentalists are accusing the president of breaking a campaign promise to ban new federal fossil fuel leasing. The administration says its hands are tied."

"After years of tribal requests, the president plans to block new oil and gas leases within 10 miles of Chaco Canyon in New Mexico. The ban is likely to generate strong pushback from industry."

"The challenge to a $1 billion New England transmission line is raising concerns about how the region’s largest state will now reach its clean energy targets, underscoring the obstacles facing large infrastructure critical for renewables and President Biden’s decarbonization efforts."

"A U.S. appeals court on Friday tossed out greenhouse gas emissions rules for heavy-duty truck trailers, ruling two government agencies had exceeded their authority."

"John Kerry, the U.S. special envoy for climate change, on Friday described fossil fuel subsidies as the “definition of insanity,” denouncing measures taken by governments that artificially lower the price of coal, oil or gas."

"A large methane plume was spotted over northwestern Alabama near natural gas and coal sites three weeks ago -- though regulators have been unable to identify what spewed out the harmful greenhouse gas."

"A top EPA official said today that the agency early next year will strengthen its proposal for regulating emissions of methane from oil and gas infrastructure."