Just for fun, I made a quick calc for you: http://tinyurl.com/3xl32bx http://tinyurl.com/3xl32bx In 50 years at 1.3% growth we'll basically double our populati

Just for fun, I made a quick calc for you: http://tinyurl.com/3xl32bx http://tinyurl.com/3xl32bx In 50 years at 1.3% growth we'll basically double our population, and go from about 8000 m^2 per person to 4000 m^2 per person. After 780 years, the growth starts adding up, you can play with the numbers.