
If delivery fleets went electric, any truck on a city street could provide storage and stability to the grid.

When reporters, politicians, and environmental advocates talk about renewable energy, they talk about wind and solar. This makes sense: Of the...

The Obama administration is speeding up clean energy development, but must balance the interests of conservationists and developers.

“It’s expensive to be poor, and nowhere is that truer than in energy."

As a group, states are already doing more to support clean energy development than the federal government ever dreamed of.

A new report shows that the boom in shale gas could backfire and slow down the changeover to renewable energy.

How much greenhouse gas does your neighborhood power plant emit?

Renewable energy had a good year in the United States in 2011.

A spate of earthquakes has been rumbling through northeastern Ohio, and the scientist investigating the quakes says the gas industry is to blame.

Governments and manufacturers have taken a Field of Dreams approach to charging infrastructure, with stations everywhere from IKEA to Cracker Barrel.

Solar power and drip irrigation have improved the lives of people living in poverty. But few had ever tried combining the two.

The very wonders that attract tourists to Hawaii—ample sunshine, big waves, and volcanoes—also make it an ideal spot to generate renewable energy.

The country faces a real risk of the growth of wind and solar slowing, instead of continuing to speed up.

With a new climate treaty years away, the world will need green technology to help stop climate change.

President Obama is announcing that $4 billion will go over the next two years into making government and commercial buildings more energy efficient.

SolarCity found a new path forward after the Solyndra scandal cost it a loan guarantee for putting solar panels on military housing.

Big dams are bad for both the global climate and the local environment. Small hydropower projects can reduce carbon without harming local ecosystems.