Patagonia has become a Benefit Corporation, which means it can prioritize goals other than profit.

The oil industry is sending a message to Obama: Approve the Keystone XL pipeline, or face the political music in 2012.

It is possible to avoid earthquakes when disposing of fracking wastewater. It's just really, really expensive.

The U.S. isn't the only country leery of the E.U.'s carbon trading airline scheme: China's protesting, too.

The U.S. and Europe are threatening to embargo Iranian oil. Iran's threatening to cut off the Straight of Hormuz, an important oil shipping route. The upshot of this situation, if it came to pass? Oil prices could go up by 50 percent in a matter of days.

Natural gas is hurting rooftop solar.