"Most city governments on the mainland withheld vital information on pollution from the public last year, with many scaling back their disclosure to protect polluters as economic growth slowed, two major environmental organisations said in a study released in Beijing yesterday."

"TRAVERSE CITY, Mich. -- The Environmental Protection Agency issued new requirements Thursday for cleansing ballast water dumped from ships, which scientists believe has provided a pathway to U.S. waters for invasive species that damage ecosystems and cost the economy billions of dollars."

"GONZALES, Tex. -- In a dusty lot off the main highway in this South Texas town, Vern Sartin pointed to a collection of hose hookups and large storage tanks used for collecting wastewater from hydraulic fracturing jobs."

"TRAVERSE CITY, Mich. — Government regulators can try to halt construction projects at power plants if they think the companies didn't properly calculate whether the changes would increase air pollution, a federal appeals court ruled Thursday, marking the latest twist in a decades-long fight over the Clean Air Act."

"The Environmental Protection Agency will move ahead Friday with a rule requiring cleaner gasoline and lower-pollution vehicles nationwide, amounting to one of President Obama’s most significant air pollution initiatives, according to people briefed on the decision."

"The residents of south Seattle's 98108 ZIP code, some living cheek-by-jowl with the Duwamish River Superfund site, face a high degree of environmental health threats and are likely to live sicker and die younger than residents of other Seattle neighborhoods, says a new report by two nonprofit groups."

"AKWESASNE — A $20 million settlement may remedy nearly 60 years of environmental pollution to the St. Regis Mohawk Reservation."

"The Coast Guard has asked the Justice Department to investigate possible pollution violations by both the drilling rigs Shell used in its botched efforts to explore for oil last year in the Arctic Ocean waters off the northern coast of Alaska."

"A mile-long train hauling oil from Canada derailed and leaked 30,000 gallons of crude in western Minnesota on Wednesday, as debate rages over the environmental risks of transporting tar sands across the border."