Women becoming pregnant in the San Francisco Bay area during the 1960's were a third less likely to give birth to a baby boy if their PCB levels were relatively high.

Steven Silver is the new face of military family support in Ft. Bliss and surrounding areas

In its final days in power, the Bush White House is rushing to have federal agencies water down the regulation of hazardous substances, lawmakers and public health experts say.

Environmental groups today called on the US EPA to enforce a law that would control the thousands of pounds of toxic mercury discharged into the atmosphere every year by cement kilns in the United States.

China burns more coal than any other country; how it does so in the future will determine our planet's climate.

Climate change is coming fast and furious to the Tibetan plateau.

Crews continued to work overnight Wednesday to corral a huge oil spill on the Mississippi River that now stretches more than 80 miles below New Orleans and threatens the fragile delta ecosystem.

Want to save the US economy? Go on a diet. That's the message ecologists are trying to get across. They say the apparently looming energy crisis could be averted if US residents cut their calorie intake.

New research suggests that bacteria can degrade a substance used in detergents, pesticides, and plastics into a more estrogenic brew. Current regulations do not take this into account.

A congressional committee is weighing whether the United States should institute a nationwide ban on phthalates, petroleum-based chemicals that make plastics flexible but are suspected of causing reproductive harm.

The head of a prominent cancer research institute issued an unprecedented warning to his faculty and staff Wednesday: Limit cellphone use because of the possible risk of cancer.

As the popularity of granite countertops has increased, so have reports that some are emitting radiation and radon at surprisingly high levels.

Bill Gates and Mayor Michael R. Bloomberg announced that they would spend $500 million to stop people around the world from smoking.

Over the past few years, the issue of whether Deca BDE, the only PBDE flame retardant currently used in North America, breaks down in the environment has become a key issue to scientists researching the controversial compound.

The head of a U.S. cancer centre is urging that children not use cellphones, except in emergencies, because of a growing body of literature pointing to possible adverse health effects, including cancer.

Eating a half serving a day of soy-based foods could be enough to significantly lower a man's sperm count, U.S. researchers said on Wednesday.