NBC: Drought-plagued California could stretch its available water supply as much as 30 percent by making more effective use of existing resources, according to a new analysis released by the Pacific Institute and the Natural Resources Defense Council. The study projects gleaning as much as 14 million acre-feet a year, enough to slake the thirst of every city in the state. The water would be found by expanding use of such existing strategies as conservation, water recycling, rainwater capture, and more...