New York Times: The yearslong drought in Central Texas could eventually snuff out a renewable power source that fueled the regions early growth: hydropower. Faced with dwindling water supplies, the Lower Colorado River Authority, which supplies water and energy to much of Central Texas, is limiting downstream water releases for activities like rice farming. Aside from stirring controversy among water users, the changes have shrunk the amount of electricity the agency generates from its six Colorado River dams....