"There is more than one way to measure prescription drug use."

"In the pesticide-laden Salinas Valley, the new year brings a new requirement for schools and licensed child care centers."

Clean drinking water is something most U.S. residents take for granted -- until something goes wrong. And when something does go wrong, as it did in Charleston, W.V., this year, there are political consequences.

"On the flight back to Atlanta, Dr. Pierre Rollin snoozed in Seat 26C in his usual imperturbable way, arms folded, head bobbing, oblivious to loudspeaker announcements and the periodic passing of the galley cart."

"GUECKEDOU, Guinea –  West Africa's fight to contain Ebola has hampered the campaign against malaria, a preventable and treatable disease that is claiming many thousands more lives than the dreaded virus."

"The Environmental Protection Agency (EPA) cannot regulate lead ammunition used by hunters, a federal appeals court said Tuesday."

"After analyzing 24 scientific studies, the Natural Resources Defense Council finds plenty to worry about, from birth defects to deadly effects."

"The fire burned for nine months, billowing toxic black smoke thousands of feet above its Appalachian valley source and across five states. It would take 20 years and $12 million to clean up the remains of the tire heap."

"Air pollution should be one of the avoidable heart risk factors - just like smoking and excess fat - that doctors warn patients to steer clear of, according to a new statement from 20 heart experts."

"Women who are exposed to high levels of air pollution during their third trimester of pregnancy may be twice as likely to have an autistic child, a study found."