"A month after environmental groups alleged that an Eastern Shore chicken farm was polluting a Chesapeake Bay tributary, state regulators have yet to test the fouled waterway or the pile of sewage sludge said to be contaminating it, officials have acknowledged."

"Nearly five years after fly ash and other debris flowed down Rostosky Ridge Road in Forward Township [Pa.], work was expected to begin to remove the final remains of that slide."

"Since 2004, [Ohio] has allowed 42 treatment facilities, power plants and factories to ignore federal limits on dumping mercury into lakes, rivers and streams."

"More than a year after 1 billion or so gallons of water polluted by ash spilled from a coal-burning power plant in Tennessee, the Obama administration is struggling to decide whether to declare such waste 'hazardous.'"

"As the U.S. military prepares to leave Iraq, the Pentagon is wrestling with questions about environmental cleanup on the bases it plans to transfer to the Iraqi Army by December 2011."

"Texas state regulators have detected elevated levels of the cancer-causing chemical benzene near Dish, raising fears that drilling more than 12,000 gas wells across the Barnett Shale could be a health hazard."

"Industry representatives have repeatedly visited the White House to discuss pending regulation of coal ash, raising suspicions that industry may be influencing the rule. In December, amid these meetings, EPA announced it was backing away from its earlier pledge to propose coal ash regulations by the end of 2009."

"Stormwater runoff can be one of the main ways that urban areas create pollution. In some cases it can dramatically suffocate marine life. It can also cause flooding. One small town in Maryland is on the receiving end of its region's runoff. ... It's trying to set a national example with its approach to solving the problem."

"The Obama administration is engaged in an unusual internal spat as the White House and Environmental Protection Agency tussle over how to handle millions of tons of waste from coal-fired power plants."

"The U.S. Department of Justice, the U.S. Environmental Protection Agency and Apache Nitrogen Products, Inc. entered into a $5 million consent decree to remove toxic nitrates and perchlorates from groundwater and to monitor the progress. at the Apache Powder Superfund Site, near David [Arizona]."