Hoover Dam

The rarely-seen upstream face of Hoover Dam, M...

The rarely-seen upstream face of Hoover Dam, May 1935 (Photo credit: Wikipedia)

Photos from Hoover Dam.  A huge renewable energy site in the Southwestern Unitied States.  The implications Hoover Dam cross the energy barrier to broader resource and environmental questions.  It created Lake Mead which is the source for drinking water and irrigation for millions.  Climate change could dramatically diminish its usefulness to the 20 million people it serves.  Between growth and the drought, the city of Las Vegas is being forced to build another lower intake.