"The oil spilled from TC Energy Corp’s ruptured Keystone pipeline was diluted bitumen, the U.S. Environmental Protection Agency (EPA) said on Thursday, adding complications to the cleanup."

"A big piece of the White House’s plan to lower government carbon emissions is drawing on an unlikely source: the federal checkbook."

"Before his shift at the Goodyear Tire and Rubber plant in Niagara Falls in May 2021, a worker peed in a cup. Before he clocked out, he did it again."

"After their homeowner association ordered them to replace their wildlife-friendly plants with turf grass, a Maryland couple sued. They ended up changing state law."

"Twitter has proved a cherished forum for climate scientists to share research, as well as for activists seeking to rally action to halt oil pipelines or decry politicians’ failure to cut pollution. But many are now fleeing Twitter due to a surge in climate misinformation, spam and even threats that have upended their relationship with the platform."

"A boom in small-scale gold mining in Bolivia has raised concerns about pollution from mercury used in the mining process. Researchers are citing the health impacts on downstream villages, but the government has yet to act to stem the widespread use of the highly toxic chemical."

"Whitebark pine trees can live more than 1,000 years, but in just two decades more than a quarter of the trees that are a key food source for some grizzly bears have been killed by disease, climate change, wildfires and voracious beetles, government officials said as they announced federal protections Wednesday."

"A group of nine rich industrialized nations approved a deal to provide Vietnam with $15.5 billion to help the Southeast Asian nation move faster from coal power to renewable energy, cutting its climate-damaging pollution."

"A Nevada wildflower was declared endangered at the only place it’s known to exist — on a high-desert ridge where a lithium mine is planned to help meet growing demand for electric car batteries, U.S. wildlife officials announced Wednesday."