"The water quality at the Olympic sailing venue in Rio de Janeiro is a serious issue but will be resolved by the time the Games begin next year, Rio Organising Committee president Carlos Nuzman said on Tuesday.
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"The trees and hillsides surrounding the Russian town of Karabash are burned and lifeless. The river is dead, its water orange and slimy, and the lake has the reddish hue of too much copper and iron."
"Thick mats of algae spreading across western Lake Erie in recent weeks appear to be pushing one of the region's most-prized sport fish to flee, forcing some charter boat captains to cancel trips. At least one told out-of-state visitors hoping to catch walleye to stay home for now."
"Newly released documents reveal the extent of problems with anti-pollution equipment on a Shell-contracted Arctic drillship earlier this year."
"After years of neglect, the site of the long-closed U.S. Steel Duluth Works may be be on the verge of revitalization."
"The New Orleans company fighting a decade-long oil spill in the Gulf of Mexico on Thursday agreed to pay for research on the ecological effects of chronic offshore crude leaks and buy equipment for environmental restoration efforts, as part of a deal settling a long-running lawsuit against the firm."
"U.S. officials responsible for the Aug. 5 spill of toxic mine waste in southwestern Colorado had no plan in place for dealing with a catastrophic breach of the kind that fouled a long stretch of the state’s Animas River, an internal inquiry has concluded."
"A U.S. court on Thursday blocked a federal clean water rule from going into effect in certain states until a legal challenge has been resolved, handing a victory to states and business groups that have strongly opposed the regulation."
"An internal investigation reveals regulators had wrongly assessed the water pressure built up inside the Gold King mine before releasing toxic wastewater".
"A coalition of groups have banded together to push the EPA to regulate wastewater disposal from oil and gas drilling."
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