"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."

"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."

"Sen. Joe Manchin is the man in the middle, and he knows that means he wields considerable power in a U.S. Senate soon to become evenly divided."

"The outgoing Trump administration is proposing to strip away protections for millions of acres of California desert, threatening damage to Joshua trees, desert tortoises and landmarks."

"Farmers and environmentalists have been arguing for decades over proposals for a massive federal flood-control project in the south Mississippi Delta. The fight is continuing into a new presidential administration."

"During a decade when Cascadia’s governments flouted their carbon emissions goals, activists fighting fossil fuel exports exceeded their wildest expectations."

"The incoming Senate Democratic majority opens new avenues for the incoming Biden administration to reverse a host of last-minute environmental rollbacks by President Trump."

"Now that Democrats will control both chambers of Congress and the White House, lawmakers see new chances to enact a range of climate change legislation."

"Little on-the-ground damage to the parks has been seen since they were shrunk in 2017. But conservationists say the sooner they can be properly protected again, the better."