The mastermind behind the novel Energy Tower, Dan Zaslavsky, says the technology uses a principle that’s been known for hundreds of years.

A White House initiative to give homeowners a detailed, easy-to-understand breakdown of their energy costs is taking off with utilities and app developers.

Scotland might be saving more than the environment with its renewable energy initiatives—a new study says the sector accounts for 11,000 jobs.

It doesn’t get the attention of solar or wind, but geothermal power is continuing to grow in the U.S., despite inconsistent government support.

Higher wind speeds and greater capacity helped UK wind power plants increase their production by 55 percent in 2011.

BrightSource Energy pulls its IPO, but it’s not the only big concentrating solar power developer, and SolarReserve says it has the lead in energy storage.

The Obama administration is promoting the successes of the Rural Energy for America Program, which backs renewable energy and efficiency on U.S. farms.

AW-Energy’s device, which uses the back and forth motion of water as waves approach shorelines, will get a test in Portugal.

A Berkeley Lab study finds India is uniquely poised to develop wind power with rich wind resources—but shrinking tax incentives could forestall development.

The solar power plant that President Obama recently visited features devices that improve forecasting and trim the need for backup power.