Investigation shows that even the local organizers of astroturf rallies against climate legislation are registered oil lobbyists.

Some residents are worried about a rural Nevada dump where decades of toxic refuse lie buried in shallow trenches.

Blue-collar residents near New York's only hazardous waste incinerator worry about strange odors. An investigation showed the plant's emissions are not what they are supposed to be.

Critics complain that "McMansions" have ruined neighborhoods. The McMansion fad fizzled with the real estate bust -- but could it return?

"Parasitic infections and other diseases usually associated with the developing world are cropping up with alarming frequency among U.S. poor, especially in states along the U.S.-Mexico border, the rural South and in Appalachia, according to researchers."

"For decades, the chemical industry has been able to control the debate on whether BPA is harmful to human health. Now the Food and Drug Administration, which had relied on industry-financed studies to declare the chemical safe, is reconsidering its determination. ... Plastics makers [have launched a campaign] to fight federal regulation of BPA, downplay its risks and discredit anyone who characterizes the chemical as a health threat."

New research suggests that atrazine, a popular weed killer found in some drinking water, causes birth defects and health problems at concentrations lower than previously thought.

"A class action lawsuit representing water districts throughout Illinois cites recent research contending atrazine in drinking water is unsafe at any level, even measurements well below U.S. Environmental Protection Agency guidelines."

"Sierra Club and Environment Texas filed an air pollution lawsuit today in federal district court against Chevron Phillips Chemical Company LP. The groups claim that Chevron Phillips has repeatedly violated the Clean Air Act at its Cedar Bayou chemical plant in Baytown, Texas."

"A state board voted unanimously Thursday to approve an air quality permit for a $10 billion oil refinery that Hyperion Resources wants to build in southeastern South Dakota."

"Alaska's marine waters -- source of 60 percent of the United States' seafood harvest -- show surprising impact as greenhouse emissions undermine the base of the food web."

"As the credit freeze tightened its grip on the economy, the market for green construction -- at least in some respects -- remained strong overall, according to the U.S. Green Building Council and insurers of green construction projects. ...Still, as fewer and fewer banks proved willing to lend money for upfront construction costs, many smaller green builders have been forced to find new ways to see their projects through to completion."

"In a long-awaited move designed to protect people from cancer, California officials on Thursday proposed a new health goal for chromium 6 in drinking water that is thousands of times lower than the amount contaminating some water supplies."

"Car shoppers have until Monday night to take advantage of lucrative Cash for Clunkers rebates from the government, and the Obama administration is hoping for a smooth ending to a program that has spurred auto sales but created headaches for many auto dealers."

"Industry groups that rely on federal courts to fight regulations and legislation flowing from a Democratic White House and Congress may face frustrations as President Obama makes his mark on the judiciary."