destruction on a planetary levelSurely you can't believe the planet itself is going to explode or something, can you? I mean, what you're really saying is that more growth will make the planet into a state that you find offensive and hard to live with -- dirty skies, polluted water, etc.
If that's the case then I'm with you. Glad to talk about how clean we want to make things and what kind of rules we want to put on ourselves so the world meets our ascetic approval. (offline, of course)
I don't think you believe the planet itself is going to be destroyed. Life will continue, right? It'll just get ugly and uninhabitable for poor people -- which is not an acceptable option, by the way, but it's not destruction.
Or are you somewhere in the middle, thinking that somehow the planet will manage to kill just us and the rest of the ecosystem (or what's left of it) will continue?
When you use words like that, you really still need to explain yourself some more. I'm just grasping at straws here.