Nick Palmer wrote:
> Do the math. Divide the land surface of > Earth by the current population. It works out that the "share" of > Earth's surface each human has is a square of land 150 metres (165 > yards) on a side. Within this patch we have to cast our personal > environmental shadow... That's incredible! Of course, you're correct, and it's simple arithmetic, but I had never seen it expressed that way before. That's just 5.5 acres of dry land per person -- and if you leave out desert, ice caps, mountaintops, and other marginal land it's even less. I find it simply amazing that we are managing to support that population density on this planet.

