U.S. satellites reveal Chinas solar dominance

The sun's energy is plentiful. And China is capitalizing.

Images captured by two Earth-observing satellites, operated by the U.S. Geological Survey, revealed a rapid expansion of solar farms in a remote northern Chinese region, the Kubuqi Desert.

"The construction is part of China’s multiyear plan to build a 'solar great wall' designed to generate enough energy to power Beijing," writes NASA's Earth Observatory. (For reference, although all this energy won't directly power the Chinese capital...