National Public Radio: The solar energy business is growing fast, thanks in part to a steep drop in panel prices.
The Solar Energy Industries Association reports that prices dropped by more than half since 2010. But the industry's future looks a little hazy. Generous government subsidies expire soon and the price for natural gas - a competitor that's also used to generate electricity - keeps dropping.
For now, though, the solar business is booming and the industry is hiring. More than 31,000 solar jobs were added...