Every person requires food to eat, which requires acres of land to raise the food- livestock or vegetables. it is at least an acre a person I am not sure where the leftest came in.
171,891,840 acres in Texas world population 7,800,000,000, Most land on earth not fertile enough to grow. If you give a crap about future generations you would educate yourself.
With food prices at an all-time high (and stirring up social unrest worldwide), you might be considering growing your own food, but wondering how much land is actually needed to provide you and your family food for a
www.treehugger.com
Math and science should be a required course for voters and candidates!