"No one would choose to eat polychlorinated biphenyls, or PCBs -- yet we unwittingly do. And a new study finds that the cost of their pervasive contamination of our food supply can be high blood pressure, a major risk factor for heart disease."

"Appearing with President Hu Jintao, President Obama on Tuesday told reporters that the United States was determined to work with China and other countries to help produce a substantive agreement in Copenhagen climate talks next month."

"The biggest influence groups for oil and coal spent a combined $115 million last year to burnish their images and shape public opinion on energy, expenditures that dwarf amounts they have previously reported for federal lobbying."

"Coal pollutants affect all major body organ systems and contribute to four of the five leading causes of mortality in the United States: heart disease, cancer, stroke, and chronic lower respiratory diseases, concludes a scathing report issued today by Physicians for Social Responsibility."

"In a groundbreaking decision, a federal judge ruled late Wednesday that the Army Corps of Engineers' mismanagement of maintenance at the Mississippi River-Gulf Outlet  was directly responsible for flood damage in St. Bernard Parish and the Lower 9th Ward after Hurricane Katrina."

"COPENHAGEN -- Environment ministers made progress on Tuesday toward a scaled-down climate deal in Copenhagen next month, with Washington facing pressure to promise deep cuts by 2020 in greenhouse gas emissions."

"The Environment Report's Shawn Allee investigates Dow Chemical and dioxin contamination in mid-Michigan. Central Michigan has lived with toxic dioxin pollution in two major rivers and Saginaw Bay for decades. Shawn looks at who's been affected, why it's taken so long to clean up, how the science behind dioxin has played into this, and what the cleanup means for the rest of the country."

A new study suggests that even women who try hard to avoid worrisome chemicals may fail to keep them out of their bodies. Environmental exposure seems to be the culprit. And once the chemicals are in the blood of pregnant women, their fetuses may be exposed, too.

"Children's toys carrying the Barbie and Disney logos have turned up with high levels of lead in them, according to a California-based advocacy group -- a finding that may give consumers pause as they shop for the holiday season."

"The Environmental Protection Agency on Tuesday proposed new air quality regulations for sulfur dioxide emissions, which come mostly from power plants and industrial facilities, expecially those that burn coal."

"An African has taken over as director of Greenpeace, bringing experience honed as a teenage opponent of white rule in South Africa and a network of powerful contacts to the battle against global warming."

"The rapid adoption by U.S. farmers of genetically engineered corn, soybeans and cotton has promoted increased use of pesticides, an epidemic of herbicide-resistant weeds and more chemical residues in foods, according to a report issued Tuesday by health and environmental protection groups."

"The U.S. Environmental Protection Agency has pledged $1 million to help Utah communities deal with environmental justice challenges over the next two years."

The secretive Food and Drug Administration withheld information about contaminated tacos sold to school lunch programs that caused kids to continue to get violently sick in several states for years.

"The US Senate will act in early 2010 on legislation to battle climate change, Democratic Senate Majority Leader Harry Reid said Tuesday, ending hopes of a breakthrough by next month's global talks."