National (U.S.)

"An updated rule targets pollution from ash dumps, but it’s up to companies that own them to propose steps to protect groundwater."

"Researchers using high-tech air monitoring equipment rolled through an industrialized stretch of southeast Louisiana in mobile labs and found levels of a carcinogen in concentrations as much as 20 times higher than previously estimated, according to a paper published Tuesday in the journal Environmental Science & Technology."

"The Federal Energy Regulatory Commission granted approval on Tuesday to Equitrans Midstream Corp. to start operations at its Mountain Valley Pipeline, the final hurdle for the controversial natural gas project that had draw sharp opposition from environmental activists."

"The Environmental Defense Fund, entering controversial territory, will spend millions of dollars examining the impact of reflecting sunlight into space as global warming worsens."

"A federal circuit court has upheld a recent prohibition on helicopter tours over Mount Rushmore National Memorial and Badlands National Park in South Dakota, rejecting motions from aircraft companies to repeal the ban."

"Every time you take a breath, you could be inhaling microplastics."

"The apparent shift from the Plains to the South has perplexed researchers, who aren’t sure if the change is permanent and if climate change is playing a role."

"A major Canadian oil field in the province of Saskatchewan would likely have reached the end of its life eight years ago. But thanks to carbon capture and storage, a technology widely touted by the oil and gas industry and some political leaders as a key solution for climate change, the field could still be producing 1.5 million barrels of oil annually by the year 2100."

"Lobby groups representing water utilities, as well as the chemical and manufacturing industries, have filed court challenges to a Biden administration rule that seeks to limit the presence of toxic chemicals in drinking water."