"President Joe Biden‘s most potent weapon for making climate change a priority for companies and federal officials may already be in his arsenal as chief executive: the country’s roughly $600 billion annual procurement budget."

"Fifteen states and two cities sued the Environmental Protection Agency (EPA) on Tuesday for declining to tighten air quality standards for ozone pollution, the main ingredient in smog."

"Donald Trump pushed through controversial oil leases in Alaska’s Arctic National Wildlife Refuge as one of his last acts as president—but legal observers say the chance that oil development actually proceeds there is slim."

"Senate leaders negotiating a power-sharing agreement to govern the evenly split chamber in the 117th Congress are at odds over the filibuster, as the impeachment trial for President Trump continues to hang over President-elect Joe Biden's early agenda."

"As one of his last official acts in the Trump administration, Interior Secretary David Bernhardt rescinded an Obama-era order that directs the department to protect wilderness areas."

"Methane leaking out of the more than 4 million abandoned oil and gas wells in the United States and Canada is a far greater contributor to climate change than government estimates suggest, researchers from McGill University said on Wednesday."

"While Prime Minister Justin Trudeau shares the incoming president’s climate change agenda, the Canadian leader is also a pipeline proponent."

"President Joseph R. Biden Jr. on Wednesday recommitted the United States to the Paris climate agreement, the international accord designed to avert catastrophic global warming, and ordered federal agencies to start reviewing and reinstating more than 100 environmental regulations that were weakened or rolled back by former President Donald J. Trump."

"Efforts are under way to designate site of submerged forest off the Alabama coast a marine sanctuary".

"A coalition of 18 states, one county, and the nation’s three biggest cities sued the EPA on Tuesday in New York federal court over a final rule that restricts how science can be used in future agency rulemaking."