In the state of Pennsylvania's gas drilling boom, newer and unconventional wells leak far more often than older and traditional ones, according to a study of state inspection reports for 41,000 wells.
Facebook has sent notes of apology and is changing automated systems that blocked environmental activists and other people from posting on like-minded Facebook pages.
Rooftops on new buildings built in commercial zones in France must either be partially covered in plants or solar panels, under a law approved on Thursday.
Technology giant Google has taken the battle against illegal fishing online, with the company unveiling a tool in Australia on Friday that harnesses satellite data to track thousands of boats in real time.
Twenty-five years ago, the Exxon Valdez spilled 11 million gallons of oil into Alaska's Prince William Sound. Americans found themselves cleaning up another giant oil spill in the Gulf of Mexico in 2010. According to a new ...
The snakehead is an invasive species of fish from Asia that is threatening the delicate ecosystem of the Potomac River that flows through Washington into the Atlantic Ocean.
China's wild finless porpoises are heading toward extinction, a conservation group said Thursday, with the dolphin-like animals now rarer than the giant panda.
U.S. government health regulators say a genetically modified salmon that grows twice as fast as normal is unlikely to harm the environment, clearing the way for the first approval of a scientifically engineered animal for ...
Climate scientist Michael Oppenheimer stood along the Hudson River and watched his research come to life as Hurricane Sandy blew through New York.
Experts warned of a "planetary emergency" due to the unforeseen global consequences of Arctic ice melt, including methane gas released from permafrost regions currently under ice.