>> all the land taken up by cities, highways, non-agricultural roads, railroads, and airports amounts to only 82 million acres - just 3.6 percent of the total.

>> all the land taken up by cities, highways, non-agricultural roads, railroads, and airports amounts to only 82 million acres - just 3.6 percent of the total. > You conveniently skipped the outsourced bit (China.) U.S. urban sprawl is outsourced to China? If so, how so?