"The EPA has already spent $100 million to remediate decades of mining."

"The Zika epidemic that has spread from Brazil to the rest of Latin America is now raging in Puerto Rico — and the island’s response is in chaos."

"More criminal charges will be announced Friday in the Flint drinking water investigation, Attorney General Bill Schuette's office announced late Thursday."

"AMBLER, Pa. -- U.S. EPA's Greg Voigt opens a chain-link gate, pushes aside waist-high weeds and scrambles to the highest point in this Philadelphia suburb: a 100-foot pile of industrial waste."

"In the first update to the state’s water quality standards in 24 years, the state moved to allow more toxic substances to enter the water. Environmentalists decry, and businesses support, the proposal."

"Democrats will highlight the Flint, Mich., water crisis during the third night of the Democratic National Convention on Wednesday."

"A mysterious green residue started coating golfers’ shoes last spring at Rye Golf Club. Players joked about wiping the  gunk off, but angry questions mounted as the lush course transformed into a field of dustbowls."

"Health experts in Brazil have a word of advice for the Olympic marathon swimmers, sailors and windsurfers competing in Rio de Janeiro’s picture-postcard waters next month: Keep your mouth closed."

"GRASSY NARROWS FIRST NATION—For more than 40 years the mercury has percolated through river sediment, the food chain and generations of residents."