The browser or device you are using is out of date. It has known security flaws and a limited feature set. You will not see all the features of some websites. Please update your browser. A list of the most popular browsers can be found below.
Problems remain four years after unprecedented spill, though company spent billions containing environmental damage
The 1,179-mile pipeline has been awaiting a U.S. permit for five years
Arseniy Yatsenyuk has tried to allay pro-Russian Ukrainian fears and deflect Russian pretexts for more intervention
Amid perennial worries over dry conditions and seismic activity, environmentalists aim for tighter drilling regulation
Oklahoma oil industry group organizes rally amid debate on drilling tax breaks.
Putin sends letter to European leaders expressing ‘extreme concern’ about Ukraine's $2.2B debt to Moscow-run Gazprom
Activists say decision shows state has gone back to its old ways of protecting Duke Energy instead of the environment
Marshall Islands president tells negotiators from 30 countries that his people 'stand to lose everything'
Scientists explore facial recognition technology, innovative egg substitutes, and solar energy.
Conversion of Massachusetts facility is symbolic in national switch from coal to natural gas
The Washington Post and Guardian won a Pulitzer Prize for reporting on NSA surveillance programs