Climate Central: In drought-stricken California, ensuring water flows from faucets is nearly as much about energy as it is about the water's source.
Water needs more than gravity to flow from its sources, often hundreds of miles away. It is pumped through aqueducts and pipelines from mountain sources, reservoirs and the Colorado River, often far from Los Angeles, San Diego, the San Francisco Bay Area and the Central Valley, where most of the water is consumed.
With California in the throes of one of the worst...