Bumped up from first posting on 17 Dec 2007, as I reflect again on sustainability. See also Wikipedia for an introduction, Jancovici for a summary of a classic treatise, and Friedman for an alternative, if now old, perspective.
The greatest shortcoming of the human race is our inability to understand the exponential function.
I dare you not to watch them all, if you watch the first 2 1/2 minutes.
Also here.
