"The early optimism of environmental advocates that the policies of former President George W. Bush would be quickly swept away and replaced by a bright green future under Mr. Obama is for many environmentalists giving way to resignation, and in some cases, anger."

"Industry groups, conservative think tanks, lawmakers and three states filed 16 court challenges to U.S. EPA's "endangerment" finding for greenhouse gases before yesterday's deadline, setting the stage for a legal battle over federal climate policies."

"Researchers have found low levels of the toxic chemical C8 in a wide variety of foods, ranging from hamburgers and bacon to tilapia, olive oil and peanut butter, according to a new scientific paper."

"The cement industry is launching a late push to water down new regulations that would limit the amount of mercury and other hazardous pollutants emitted by their plants."

"The US pointman on climate change on Tuesday accused vested interests of exploiting scientific scandals and pledged to act even if China and India balk at the controversial Copenhagen accord."

"Across the country, stormwater runoff hammers thousands of rivers, streams and lakes. Communities are left to struggle with the consequences of too much pavement and too little oversight. Now the U.S. Environmental Protection Agency is gearing up to tighten federal stormwater rules that have been criticized by environmental groups and deemed ineffective by a national panel of researchers."