"SALT LAKE CITY -- A group of Utah doctors is declaring a health emergency over the Salt Lake City area's lingering air pollution problem."

"Bird flu researchers end a yearlong moratorium on experiments to determine whether the H5N1 virus can mutate and spread among humans. The work, which was deemed risky, won't resume yet in the U.S."

"Serving hot food on melamine tableware could increase your exposure to melamine, a study released Monday in the journal JAMA Internal Medicine suggests."

"Diet and exercise are seen as the key factors that cause obesity, but new research suggests that certain chemicals called obesogens contribute to the global weight problem. Bruce Blumberg, professor of developmental and cell biology at the University of California at Irvine tells host Steve Curwood that the effects of an obesogenic chemical he studied seem to persist for several generations."

"Just like the controversial compound it's designed to replace, a chemical used in cash register receipts and other consumer products messes with hormones, according to research published today."

"CHEYENNE, Wyo. -- Gov. Matt Mead has joined those expressing disappointment that the U.S. Environmental Protection Agency has extended for a third time a public comment period on a report on groundwater pollution in a Wyoming gas field rather than moving toward wrapping up the study."

"A carcinogenic mold, its growth exacerbated by the warming climate, reached record highs in 2012."

"DAVIS, Calif. -- What causes autism? The question has spurred about a billion dollars' worth of genetics research that has found no clear answer. But University of California, Davis, epidemiologist Irva Hertz-Picciotto has been pursuing another angle: Does the environment around a pregnant woman play a role in determining whether her child develops autism?"

"Eating fast food three times a week may lead to asthma and eczema in children, say researchers who have looked at global disease and dietary patterns."

"A major new federal report warning the United States could warm up to 10 degrees Fahrenheit by the end of the century if global greenhouse gas emissions continue to rise has renewed hope among environmental groups that President Obama will make climate change a priority in his second term."