"Pesticides, polycyclic aromatic hydrocarbons and polychlorinated biphenyls are among the contaminants hitching an airborne ride to the United States and other parts of the Western Hemisphere on dust storms blowing out of West Africa. That's according to new research presented at the just-completed annual meeting of the Society of Environmental Toxicology and Chemistry."

"The percentage of Americans who believe global warming is happening has dipped from 80 to 72 percent in the past year, according to a new Washington Post-ABC News poll, even as a majority still support a national cap on greenhouse gas emissions."

"Rising sea levels due to global warming in the next few decades could put trillions of dollars in U.S. assets at risk, according to a report released Tuesday."

"A team of climate scientists, seeking to remind the negotiators who will hammer out a new climate treaty of what is at stake, has produced  The Copenhagen Diagnosis, a summary of the latest peer-reviewed science on the anticipated impacts of human-driven global warming."

"The Environmental Protection Agency issued a final rule Monday aimed at reducing pollution from construction sites, saying that it will significantly improve the quality of water nationwide."

"Concerns about toxics discharged from an unlined coal ash waste dump in suburban Washington, DC have prompted four environmental groups to give formal notice that they intend to sue Mirant MD Ash Management, LLC and Mirant Mid-Atlantic, LLC Corporation of Atlanta, Georgia for Clean Water Act violations in Maryland."

"Elevated levels of two plastic-softening chemicals in pregnant women's urine are linked to less-masculine play behavior by their sons several years later, according to a study published last week in the International Journal of Andrology."

"Fish that have the potential to devastate the Great Lakes ecosystem may be just a few miles from Lake Michigan."

"Areas hard-hit by the U.S. automakers' slump are pitching themselves to green technology firms. Workers and machines that used to crank out cars are now making parts for solar and wind power plants."

"Almost every plan for limiting carbon dioxide output includes keeping old nuclear plants running. But as those plants age, they turn up new problems. The latest is at a plant owned by Progress Energy in Crystal River, Fla., where a gap was found inside the thick concrete of a containment dome."