If the entire world population lived at the same density of New York City’s five boroughs (not just Manhattan), all 6 billion people would fit in an area the size of Texas.
Click through, and this article (and this one) goes on the present some very interesting points about how creating a “country of cities” and eliminating the sprawl of housing and infrastructure could pay some huge dividends for us on many fronts.

If the entire world population lived at the same density of New York City’s five boroughs (not just Manhattan), all 6 billion people would fit in an area the size of Texas.

Click through, and this article (and this one) goes on the present some very interesting points about how creating a “country of cities” and eliminating the sprawl of housing and infrastructure could pay some huge dividends for us on many fronts.