Anti-fracking legislation is picking up steam in Colorado.
The plan calls for a cap on energy consumption while maintaining economic growth.
The Canadian pipeline giant plans to buy an American natural gas pipeline company with a history of environmental problems.
Food companies had been a united front. Now that front is crumbling like a granola bar.
A radical plan could turn the U.S. detention center into a leading marine conservation site.
Hydropower and thermoelectric power provide about 98 percent of the world's electricity, and both rely heavily on water.
Big Coal may be dying, but its CEOs are doing just fine.
A GOP lawmaker asks, "Why do we even need an EPA?"
Weird weather may be spurring increased concern about global warming, a new poll says.