"The Chemical Safety Board says refineries need to strengthen safeguards surrounding the use of hydroflouric acid, and the EPA should take steps to improve oversight. The recommendations are part of a final report on the investigation into the June 2019 explosion and fire at Philadelphia Energy Solutions in southwest Philadelphia."

"With a megadrought persisting in the Southwest, El Paso and other cities on the Rio Grande are scrambling to find alternative sources of water and are turning to innovative approaches — desalination, transporting water via pipelines, and “toilet-to-tap” wastewater recycling."

"A paper published Tuesday in the journal Geophysical Research Letters finds that it’s raining harder in most of the United States. The study, written by researchers at Northwestern University, tied the results to climate change and to warmer air’s ability to hold more water."

"President Joe Biden departs on a swing through the West on Wednesday with a first stop in Colorado where he will announce the establishment of a national monument in a rugged area used by American soldiers to train for battle in World War Two."

"Alaska officials have canceled the fall Bristol Bay red king crab harvest, and in a first-ever move, also scuttled the winter harvest of smaller snow crab."

"A California law requiring that pork sold in the state come from humanely raised pigs posed questions about how far states can go in affecting conduct outside their borders."