Topic: U.S. Environmental Protection Agency

Upset patient charged with using mercury as chemical weapon against hospital

Martin Kimber apparently had a billing dispute after receiving treatment at Albany Medical Center. According to court documents, he spread liquid mercury at the hospital on four occasions.

In Gear New world record: 1,626 miles on one tank of gas

Ouch! Obama loses 41 percent of W.Va. primary vote to federal inmate.

Did gassy dinosaurs cause global warming?

Battle for women's votes: 6 flash points

In Gear Dodge Dart: high-mileage Aero coming in a few months

EPA official resigns over 'crucify' flap

US air pollution hits 10-year low, report finds

Earth Day: Five ways we affect the planet

Gulf oil spill: Two years later, safety lessons ignored

Robert Reich What Obama's plan for fixing the economy should be

Japanese tsunami debris to hit West Coast this year, sooner than expected

'Buffett rule' fails, but it will be back

Studies fault Bayer in bee die-off

US Coast Guard sinks Japanese "ghost ship" (+videos)

How Occupy Wall Street plans to spring back to action

Are pesticides responsible for bee deaths? (+video)

EPA issues new rule on greenhouse gas emissions: Where does that leave coal?

President Algae? Obama not green enough, say environmentalists

Obama, Congress, traders? Public unsure who to blame for high gas prices.

EPA wetlands order can be challenged by land owners, Supreme Court rules

Mitt Romney's top 5 attacks on President Obama

Sea level studies: US coasts even more vulnerable than previously thought

Why Asian carp are such a threat

BP faces billions in fines as spill trial nears