"CHARLOTTE, N.C. — The city of Charlotte is still trying to recover from one of the worst catastrophes in the city's history."

"Kentucky environmental advocates accused state regulators today of lax enforcement of water quality rules while putting a mining company on notice that they intend to sue over claims of thousands of false pollution reports during the last year."

"The state has slapped Madison’s sewage treatment plant with 32 air pollution violations alleging excessive emissions from burning biogas and a near absence of effective monitoring and record keeping."

"Just hours into the experiment, the prognosis was grim for salmon that had been submerged in rain runoff collected from one of Seattle's busiest highways. One by one, the fish were removed from a tank filled with coffee-colored water and inspected: They were rigid. Their typically red gills were gray."

"After failing to rid Beijing’s skies of pollution before a gathering of world leaders this week, Chinese officials took a different approach to smog control -- limit the data."

"Conservation groups have filed initial paperwork to sue the Tennessee Valley Authority, contending that harmful pollutants have been seeping from 55-year-old coal ash storage ponds at the Gallatin power plant and into drinking water."

"COLUMBIA, SC — Hazardous chemical vapors are leaking through the top of an industrial waste dump along Lake Marion and are suspected of contaminating shallow groundwater near the surface of the 36-year-old site."

"Residents of parts of the Russian capital Moscow have been urged by the emergencies ministry to stay indoors because of a noxious gas that is spreading through the city."

"BUTTE — The number 5,410 has special meaning to Butte. It’s the critical water level – 5,410 feet above sea level – of the Berkeley Pit. The water in the pit must be kept below that elevation or risk contaminating Silver Bow Creek."