Quote:
Originally Posted by Baraka_Guru
I can't believe we're talking about Mars already.
The U.S. itself probably has enough farmland to feed the entire planet.
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We probably have enough for about 8-10 billion people if we utilize all available land for farming, but we'll surpass that number before too long at the rate we're going. We may double it in our lifetime. I'm not sure, but I suspect that the Earth would have trouble, regardless of economics or politics, taking care of over 20 billion humans. Eventually we'll have to expand or change our breeding habits. I'm hoping for a bit of both.