Because of exemptions, lobby groups like the American Coalition for Clean Coal Electricity don't have to disclose how much they spend on fake-grassroots activities and TV ads.

"More than 100 properties near the Doe Run Co.'s smelter have been recontaminated with dangerous levels of lead, a finding that comes less than a decade after regulators ordered the company to remove and replace polluted soil on the properties, the U.S. EPA said Monday."

A group claiming to consist of "people like you" is run by agribusiness and chemical industry trade associations. Despite cuddly graphics, it has no address.

"Bowing to intense public pressure, the Chesapeake Energy Corporation says it will not drill for natural gas within the upstate New York watershed, an environmentally sensitive region that supplies unfiltered water to nine million people."

"Special genes inserted into crop plants have a way of leaking into the environment. That much scientists know for sure. What they're less certain about is what effect those genes have on plants growing in the wild."

"Last month, President Obama nominated Islam 'Isi' Siddiqui, vice president for governmental affairs at pesticide industry trade group Croplife America, to the post of chief agricultural negotiator at the U.S. Trade Office." Now that nomination may be in trouble.

"Even as the Senate Environment and Public Works Committee took up its climate bill for the first time Tuesday, the Environment Protection Agency proposed requiring thousands of greenhouse gas emitters to install stricter pollution control technology."

"Federal officials plan to ban sales of raw oysters harvested from the Gulf of Mexico unless the shellfish are treated to destroy potentially deadly bacteria -- a requirement that opponents say could deprive diners of a delicacy cherished for generations."

"President Obama's envoy for climate change has dashed hopes of a bilateral climate-change deal during next month's presidential trip to China. Todd Stern says a wide gap remains between Chinese and U.S. officials. China and the U.S. account for 40 percent of all greenhouse gas emissions."