In times of drought, the Twin Oaks Aquifer Storage and Recovery Facility pumps water up from underground and sends it back to San Antonio for use. The facility uses water from the Edwards Aquifer and the Carrizo Aquifer. Paul Robinson/San Antonio Water System hide caption

itoggle caption Paul Robinson/San Antonio Water System

Water plant operator Torrey Jones checks the clarity of a sample of treated water at the Beaver Falls Municipal Authority water treatment plant in Beaver Falls, Pa. Keith Srakocic/AP hide caption

itoggle caption Keith Srakocic/AP

Peanut butter prices are up — and likely to increase again. Edward Todd/iStockphoto.com hide caption

itoggle caption Edward Todd/iStockphoto.com

Ben Shaw hangs from an oil derrick outside Williston, ND, in July 2011. Williston's mayor, Ward Koeser, estimates that the town has between 2,000 and 3,000 job openings for oil workers. Gregory Bull/AP hide caption

itoggle caption Gregory Bull/AP