Get ready for big changes, Arizona.

Via brother-in-law John, who points out, in an email to me, how Americans seem to have forgotten the “dust bowl” years. As he says,

History does repeat itself, only not always in our lifetimes or even our memories (we have all but wiped out our oral memories).

And see this and this.

An oasis in the desert. Tucson, Arizona, as seen from space. October 28, 2011. (NASA Earth Observatory / Landsat 5 – TM) 

Arizona could be out of water in six years