It would accomplish a huge amount. Density makes us richer and smarter: http://www.ted.com/talks/geoffrey_west_the_surprising_math_of_cities_and_corporations.ht

It would accomplish a huge amount. Density makes us richer and smarter: http://www.ted.com/talks/geoffrey_west_the_surprising_math_of_cities_and_corporations.html http://www.ted.com/talks/geoffrey_west_the_surprising_math_o... ... and it is our best hope against climate change: http://www.alexsteffen.com/carbon-zero-2/ http://www.alexsteffen.com/carbon-zero-2/