Some parents, activists, and health experts are worried that the ground-up used tires in artificial turf may harm kids who play sports on it.

There’s an underground threat to water that’s making it harder to clean up for drinking. The Environment Report's Julie Grant reports – it all depends on where you live and whether the people who live nearby are maintaining their septic systems.

"President Obama will announce on Friday that he has chosen Dr. Thomas R. Frieden, the New York City health commissioner, as the next director of the Centers for Disease Control and Prevention...."

The nation's largest residential lead pollution site reached a key milestone today with the signing of an EPA decision on how to clean up thousands of residential yards in eastern Omaha contaminated over decades by emissions from the former ASARCO lead refinery.

"Dust storms accelerated by a warming climate have covered the Rocky Mountains with dirt whose heat-trapping properties have caused snowpacks to melt weeks earlier than normal, worrying officials in Colorado about drastic water shortages by late summer."

"The nonprofit Center for Biological Diversity today filed a lawsuit against the U.S. Environmental Protection Agency and Administrator Lisa Jackson over the agency's failure to recognize the impacts of ocean acidification on waters off the state of Washington."

"SPF creep has hit the triple digits with Neutrogena’s SPF 100+ sunblock, leading some dermatologists to complain that this is merely a numbers game that confuses consumers."

A million year old cycle of fish migration almost came to an end in the waters off of the nation’s capital. But a monumental conservation effort has brought the American Shad them back from the brink.

"A Senate panel has approved President Barack Obama's nominee to head the troubled Food and Drug Administration."

For many small town mayors, growth is all good. After all, more houses means more tax revenue, more retail, more jobs. One Alabama mayor agrees, but he also recognizes green space is an amenity worth keeping. And for that, the timing couldn’t be better. The Environment Report's Gigi Douban reports.

"New research raises additional concerns about the harmful effects of formaldehyde, a common chemical found in everything from plywood to nail polish, car exhaust and cigarette smoke."

The South Florida Water Management District approved Gov. Charlie Crist's deal to buy 73,000 acres of farmland from U.S. Sugar Corp. for $536 million to restore the Everglades.

Some California farmers are depleting the groundwater beneath their land faster than nature can recharge it -- and climate change is likely to make things worse. While farmers resist regulating groundwater use, critics argue that not doing it "could prove catastrophic to the state’s real estate sector and its $36 billion agricultural economy."

"The Senate on Tuesday backed an amendment that would allow people to carry loaded guns in national parks and wildlife refuges."

"Colorado State University hurricane forecaster Bill Gray said on Wednesday he may reduce his next Atlantic season forecast because sea temperatures are cooling and a weak El Nino may appear by late summer."