Water, Water, Everywhere?

Taking a short break from observations of the current high and higher oil prices and their effects, we find our friend Lester Brown of the Earth Institute with this interesting article on how we are drawing down the world's supply of "fossil water" (that which has accumulated underground over oh, say, several million years). Anyway, a brief pondering of the implications will suffice to make one realize that goofy stuff about humanity's "footprint" is probably understated, and things are tending more towards the dieoff than you probably realized.