"The Biden administration straddled the line on a controversial Canadian oil pipeline in a court filing Wednesday, saying a lower court’s order to drain portions running through tribal land may violate a 1977 treaty but agreeing with a Native American tribe that the operator is trespassing on tribal land."

"Trump administration officials barred experts from warning legislators that they were about to write a major environmental loophole into law, Environmental Protection Agency (EPA) staffers alleged in newly revealed internal communications."

"The Biden administration is reining in releases of cancer-causing compounds and other hazardous pollutants in a crackdown that targets petrochemical plants clustered in areas like Louisiana’s “Cancer Alley.”

"Many Yanomami, the Amazon’s largest Indigenous tribe in relative isolation, have been contaminated with mercury coming from widespread illegal gold mining, according to a report released on Thursday by Brazil’s top public health institute."

"The E.P.A. said the fund will spur a clean energy transition in overlooked communities. Republicans called it a “greendoggle.”"

"Steel towns will see some reductions in toxic pollution from new regulations — but not as much as they’d hoped."

"The largest uranium producer in the United States is ramping up work just south of Grand Canyon National Park on a long-contested project that largely has sat dormant since the 1980s."

"The King of New Zealand's Indigenous Maori people made an impassioned call Thursday for whales to be granted the same legal rights as people in a bid to protect the hallowed yet vulnerable species."