Here is an article from Food and Water Watch (click the title for the link).
I would add that I can live without a car or the internet, but we cannot live without water. If you had only enough money to buy a gallon of gas or a gallon of drinking water, which would you buy? Soon, water might cost as much as gas does now...
Pray for rain and snow in California... or do a rain dance. We really could use it.