The water-energy interface is a problem area. Energy production requires water. Water production requires energy. We don’t have enough of either, which is the makings of a serious problem.
There’s a nice summary of the issue in the March 20 Nature, by Mike Hightower and Suzanne Pierce from Sandia Labs. Nature makes you pay, but the Sandia folks have written a more detailed analysis, which you can find here for free.
I’ll have more in tomorrow’s newspaper, to which I’ll link as soon as it’s up.