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

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

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.

Solar power could make cars more energy-efficient not by powering the engine, but all those other doohickeys cars have.

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

"Anyone, anywhere can start a community solar project to create jobs and clean energy in their community."

Fighting Keystone XL wasn't just about stopping dirty oil.

The state is close to installing 1 gigawatt worth of solar panels on rooftops alone.

It's accepted fact that solar projects will continue to multiply, but it's unclear where they'll all be built.

There are great clean tech ideas out there. They just need money to go forward.

Communities living without electricity could finally have access to educational opportunities.

It'll probably be pretty boring. But that's because solar technology has developed enough to start taking over from dirty energy.

Solar panels are cheaper for the moment, but the government's not giving up on solar towers yet.