"When environmentalist Brent Walls saw a milky-white substance in a stream flowing through a rural stretch of central Pennsylvania, he suspected the nearby rock mine was violating the law."

"Michigan’s Supreme Court ruled Tuesday that the indictment of former Gov. Rick Snyder (R) and several other officials in connection with the contamination of water in Flint was improper because the grand jury consisted of a single judge."

"The Chesapeake Bay Program reported on Wednesday that Maryland’s wastewater treatment facilities, operating in violation of discharge permits, contributed significant increases in nitrogen and phosphorus pollution last year in the bay."

"Researchers are developing ways to predict how much land will burn out West and where ocean heat waves will occur up to a year in advance".

"The last time the federal government wrote regulations for the liquefied natural gas industry, Pac-Man was the hot new video game and Ronald Reagan was on his way to the White House for the first time."

"The UN secretary general has declared that the world is in the middle of an “ocean emergency”, and urged governments to do more to restore ocean health."

"Forest pathologist Martin MacKenzie strode forward on a narrow path through California’s mythic bristlecone pine forest in the White Mountains near the Nevada border, methodically scanning gnarled limbs for the invaders that threaten the lives of some of the world’s oldest trees."

"A federal study released Thursday determined that hardrock mining in a Minnesota wilderness area would risk contaminating the region."