"Raw sewage is pouring into the rivers and reservoirs of Puerto Rico in the aftermath of Hurricane Maria. People without running water bathe and wash their clothes in contaminated streams, and some islanders have been drinking water from condemned wells."

"The Trump administration has handed a rare victory to environmentalists, ordering two big corporations this week to pay $115 million to clean up a Texas toxic waste site that may have spread dangerous levels of pollution during flooding from Hurricane Harvey."

"The Environmental Protection Agency (EPA) is warning Puerto Rico residents not to drink from wells at so-called Superfund sites amid reports that some on the island have sought water from the hazardous waste areas."

"The Minnesota Pollution Control Agency is proposing to add more lakes and streams to the state's list of impaired waters."

"The Supreme Court this week will wade into a legal dispute that could have big consequences for the Trump administration as it attempts to repeal and replace the Obama-era Clean Water Rule."

"In a gift to the struggling coal industry, a new air pollution rule finalized by the EPA will allow Texas coal plants to emit almost twice as much sulfur dioxide than an earlier proposal by the Obama administration. Aside from being a key component in forming haze, sulfur dioxide exacerbates respiratory illnesses such as asthma and contributes to acid rain."

"For ten days across recent summers, researchers aboard the University of Delaware research vessel Hugh R. Sharp collected water samples from the mouth of the Susquehanna River to Solomons Island in a first-of-its-kind investigation. They wanted to know when and where the waters of the Chesapeake Bay were turning most acidic."

"When Marla Waseka converted the gracious Franciscan nunnery northwest of St. Cloud to a boutique lakeside resort and retreat in 2008, the nitrate levels in her well were low. A few years later they were so high she had to warn her guests not to drink the water. And when authorities warned they’d shut her down if it weren’t fixed, she spent $12,000 to drill a deeper well for clean water."

"With China now planning to phase out gas-powered cars, automakers are talking about an all-electric future. It could mean a big drop in emissions."