Massachusetts has reduced its mercury emissions, but the mercury polluting its ponds may be coming from halfway around the globe.

"Months after the funding was approved, state legislators still haven't decided how to proceed with a study of the proposed Pebble copper and gold mine."

"The 2.5 million cubic yards of fine-grained sediment dredged from the former reservoir east of Missoula has been spread 2 feet thick over more than 600 acres of wasteland between Anaconda and its satellite community of Opportunity. But it won’t grow grass."

"For close to four decades, residents of Tallevast in southwest Florida lived side by side with the American Beryllium Company, which employed local men and women to manufacture parts for nuclear weapons. Each day, workers inhaled beryllium dust and brought it home on their clothing."

Pollution problems are widespread in China after three decades of unbridled economic growth. Despite money and priority given to cleanup, Tai Lake stands as an example of how little has been accomplished.

People in Bokoshe, Oklahoma, say they are sick because the state and EPA have failed to regulated fly ash from a nearby coal-burning power plant.

"People living near a steel factory or another source of high manganese emissions are at higher risk of developing Parkinson's disease, suggests a new study."

"More than a third of Wisconsinites rely on well water in their homes, and we've discovered much of that water could be tainted.  The problem: many families don't have their wells tested.  And those wells could contain invisible poisons."