As the planet experiences record heat andCalifornia suffers from an historic drought, the clean water that we need to safely and sustainably grow food crops is in short supply.

Source:: http://www.wateronline.com/doc/umd-school-of-public-health-for-sustainable-water-reuse-food-and-health-0001?atc~c=771+s=773+r=001+l=a