California Builds the World's Tallest Solar Collector

The US government holds vast tracts of public lands—more than a 654 million acres, in fact—for public use such as national parks as well as for military use like test ranges and proving grounds. But most of the time, much of that land is left to rot when it could be producing clean solar energy for our ever-increasing … » 3/18/13 11:30am 3/18/13 11:30am