Virtual water index: 1 cup coffee takes 34 gallons to make!

rawstory.com — A British scientist was awarded a prize for a formula which calculates the amount of water used in the production of all sorts of things. We don't only consume water when we drink it, after all. 1 Hamburger requires 634 gallons of water to produce it! Mar 19, 2008 View in Crawl 4