"Someone who lived with a Missouri resident infected with bird flu also became ill on the same day, the Centers for Disease Control and Prevention reported on Friday. The disclosure raises the possibility that the virus, H5N1, spread from one person to another, experts said, in what would be the first known instance in the United States."

"A federal appeals court is giving EPA a second chance to justify its rule targeting smog-forming pollution that crosses state lines after the Supreme Court froze the regulation in June."

"New attention to trifluoracetic acid, or TFA, underscores the game of whack-a-mole that scientists and communities face with forever chemicals."

'The operation has started to tow a Greek-registered oil tanker stranded in the Red Sea after an attack by Houthi militants last month, a shipping source told Reuters on Saturday."

"Seven years ago, Oregon’s biggest natural gas company set out to convince lawmakers and residents that an abundant new source of green energy was out there, just waiting to be tapped."

"A federal judge has blocked in five states the implementation of a Biden administration rule that aims to cut methane emissions and conserve natural gas produced on federal lands."

"Former President Trump threatened to withhold federal aid to battle California wildfires, should he be reelected, if Gov. Gavin Newsom (D) does not change a policy that protects an endangered species of fish."

"Abnormally dry conditions have caused low water levels that disrupt barge transports carrying fuel and grain. Climatologists say it could be part of a larger trend."

"Flooding caused by heavy rains has left more than 1,000 people dead and hundreds of thousands of homes destroyed."