how many?

[Doug Henwood]

Brad De Long wrote:

>Does this mean that our ultimate goal is to get human population 
>down to one billion? I can see how we can stabilize world population 
>at 10 billion (maybe). I can't see how to get it down to one 
>billion...

Our resident Club of Rome is extremely discreet on the population 
question, unlike NPG or Dave Foreman. What's the number guys? How 
many people can the earth support?

Doug