'New' Energy Sources Hard on Water Supply

Guess how much water it takes to burn just one 60-watt incandescent light bulb 12 hours a day for one year. Between 3,000 and 6,000 gallons of water — depending on how the electricity that powers the bulb is produced. That's just one in a whole bunch of startling findings in a study by researchers at Virginia Tech who focused on a problem that has probably eluded most folks. It takes lots of water to produce energy, and rising energy demands will almost certainly tap into a rapidly dwindling...Full Story