"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."

"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...."

After more than five years of negotiations, delegates from 64 countries reached broad consensus in Hong Kong Thursday on a new treaty regulating the recycling of ships.

"A new analysis halves longstanding projections of how much sea levels could rise if Antarctica's massive western ice sheets fully disintegrated as a result of global warming."

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.

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.

Chevron is preparing for an unfavorable ruling in what looks like the world's largest environmental lawsuit. Dwellers in the former oilfields of Equador bitterly resent the pollution -- and the deaths they believe resulted.

"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."

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.

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.

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.

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."