This is a really good article about Roger Revelle and how various scumbags (I can say that now he is dead) used his reputation in a cheap and nasty culture war.
I always get nervous when activists set up any given scientist on a pedestal. For one reason, it’s not how science works (or rather, is supposed to work). Heroes in general is a lousy policy, but especially in science….
Anyhoos…
marchudson.net 
Marc, an interesting article, but however you read it, it does not address the problem. We live in a world with a GROWING population. Much of the world still burns things to cook and keep warm. Add to this the fact that we fell trees at an increasing rate, build on fertile land and dump our waste into the ocean. Environmental degradation and GROWTH go hand in hand.