Inspired by the sunflower, Wisconsin researchers develop a solar tracker using artificial heliotropism, enhancing PV efficiency without gears or motors.

The U.S.-backed 250-megawatt Genesis Solar Project in the California desert sustains at least $3 million in damage when wind-whipped downpours hit.

Caltech was one of three big winners in a Gates’ Foundation challenge to reinvent the toilet.

A Colorado planner says it’s time to move past thinking trees vs. shade, and plan a future where both can thrive in urban settings.

The Defense and Interior departments partner to build clean-power resources on military land and open up the seas for offshore wind.

In a party that treats solar power like the devil’s work, New Jersey’s Republican Gov. Chris Christie is showing a willingness to treat it with a little respect.

After years of planning, the historic Alcatraz prison in San Francisco Bay is now powered by solar panels – as long as they’re kept clear of bird droppings, that is.

EU ProSun, a group pulled together by SolarWorld, asks the European Commission to investigate dumping of Chinese products in Europe as the solar trade war goes global.

The Obama administration closes in on earmarking 285,000 acres in 17 zones in six Western states for streamlined utility-scale solar power development.

Wind power rules in Texas, but San Antonio’s CPS Energy is in a new deal that will bring 400 megawatts of solar plus several solar companies to the city.

New Jersey’s republican governor signs on to a bill that’s intended to keep the state rolling along as a U.S. leader in solar power installations.

With a barrage of new installations, the scope of Ikea’s solar commitment becomes more impressive and highlights the possibilities for commercial rooftops.

The solar trade war heats up again, with China announcing formal anti-dumping and anti-subsidy probes into U.S. and S. Korean imports of solar-grade polysilicon.