(AP) -- Three Greenpeace activists on Sunday climbed up an oil rig off Greenland's coast in an attempt to stop a Scottish oil company from starting deepwater drilling in the arctic waters, the environmental group said.
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.
The top-secret US National Security Agency is not required to reveal any deal it may have with Google to help protect against cyber attacks, an appeals court ruled Friday.
The coal industry is losing the public relations battle against environmental activists, mining giant BHP Billiton has warned as it urged the sector to unite to fight back.
US President Barack Obama mocked Republicans who reject global warming as a "liberal plot," as he pumped up a crowd of environmental activists in Washington.
People identifying themselves as activists in the Anonymous hacker movement said Wednesday it wasn't technical prowess but police infiltration that yielded 25 arrests in a sweep in Europe and South America.
Climate scientist Michael Oppenheimer stood along the Hudson River and watched his research come to life as Hurricane Sandy blew through New York.
The European Union banned the sale of new cosmetic products containing ingredients tested on animals with immediate effect Monday.
In a first for Asia, Hong Kong police said Thursday they will trial the use of video cameras attached to their uniforms to film exchanges with the public, despite concerns from human rights groups.
In the new issue of Index on Censorship, 'Brave New Words', leading internet experts Ron Deibert and Rafal Rohozinski call for a new approach to tackling censorship online.