It takes less land to grow a pound of broccoli than it does a pound of beef. Less land to grow a pound of grain than a pound of beef. Less water, less energy.
As someone who has grown up living in Southern California, I know all too well about the costs and scarcities of water.
What we often fail to recognize is how efficient a vegan diet is. Less land, less water, more food for our spiraling population.
The film 'Tapped' illustrates quite clearly how we've been getting 'soaked' for years by the bottled water industry.