"SAN FRANCISCO — The threats from climate change are many: extreme weather, shrinking snowpack, altered ecosystems and rising and more acidic seas, to name a few. Another lesser-known issue may hit especially close to home for city dwellers. In the world’s already smoggy metropolises, pollution is likely to grow worse, a phenomenon scientists have taken to calling the climate penalty."

"North Carolina House and Senate leaders announced a compromise on a stalled coal ash bill late Tuesday, days before legislators end their session."

"As other states ban landfills from accepting low-level radioactive waste, up to 36 tons of the sludge already rejected by two other states was slated to arrive in Michigan late last week."

"A 15-mile stretch of the Ohio River closed after a fuel oil spill reopened to river traffic on Tuesday with some restrictions as containment and cleanup continued."

"Mexico's environment secretary said on Tuesday that Grupo Mexico gave false information about a toxic spill at its Buenavista mine in northern Mexico, a day after the environmental authority said it would file a criminal complaint against the company."

"CHESAPEAKE, Va. -- Dominion Virginia Power's plan to close its coal-fired power plant on the Elizabeth River would leave nearly a million tons of fly ash in a waste dump that has leaked arsenic and other contaminants into groundwater for more than a decade, company documents show.:"

"More than 1 million gallons of manure flowed from a small farm for months, say Marathon County officials, quickly filling a storage tank the size of a small basement, then trickling into a wetland and eventually entering the Little Eau Pleine River on the far western edge of the county."

"U.S. EPA has denied a petition from environmentalists to name nearly 60 areas of the country out of compliance with the federal ozone standard."

"DuPont wants to clean up its former Pompton Lakes munitions plant — contaminated with a litany of elements that can cause cancer and other illnesses — using far weaker standards than the state usually requires, a strategy that echoes prior attempts by polluters to push for less extensive cleanups at other sites in North Jersey."

"Back in April 2006, officials from West Virginia American Water told state regulators they were planning to review the Elk River watershed to find out what potential contamination sources were upstream from their Kanawha Valley water treatment plant."