For years, solar power at home was mostly limited to people who own their rooftops and could afford the steep upfront costs. But a new generation of small, affordable systems are making clean energy more accessible. The technology, often called "plug-in" solar, is already widespread in Germany and gaining momentum in the United States. KQED's Laura Klivans reports. | PBS NewsHour

Which Supermodel Are You? Take This Quiz to Find Out

The Tesla Model 3 qualifies for the full $7,500 tax credit again

The stormy relationship between solar power and the weather