Your average quarter pounder, according to one Cornell University study, siphons 600 gallons of water, 1.2 pounds of feed grain, and 6 square feet of former prairie land—plus the loss of five times the patty's weight in topsoil—even before it gets slapped on a grill. -Treehugger
If you've ever been interested in becoming a vegetarian, check out this guide. Some good steps: Have a good reason, start by eliminating red meat, get some good recipes.
(sidenote: people are often offended by vegetarianism. When I post about a vegetarian diet, it will be a post of facts and alternatives, just like all the other topics on this blog.)