There is a chart in this article that shows how significantly lab-grown meat decreases water use compared to meat from cows, sheep, pigs, and chickens. And this

There is a chart in this article that shows how significantly lab-grown meat decreases water use compared to meat from cows, sheep, pigs, and chickens. And this is referring to a process that is in very early stages! http://www.washingtonpost.com/news/wonkblog/wp/2015/05/20/meet-the-future-of-meat-a-10-lab-grown-hamburger-that-tastes-as-good-as-the-real-thing/ http://www.washingtonpost.com/news/wonkblog/wp/2015/05/20/me...