I think it's pointless asking questions like "Will humanity survive?" It's purely up to people - if they want to, they can, if they don't want to, they won't.

What is proposed herein is that we have no right, nor any ethical justification, for clearing land or using wilderness while we tread over lawns, create erosion, and use land inefficiently. Our responsibility is to put our house in order. Should we do so, there will never be any need to destroy wilderness.

Wealth is a deep understanding of the natural world.

We ourselves are part of a guild of species that lie within and without our bodies. Aboriginal peoples and the Ayurvedic practitioners of ancient India have names for such guilds, or beings made up (as we are) of two or more species forming one organism. Most of nature is composed of groups of species working interdependently.

Anything that's any good is self-perpetuating.

If you let people loose in a landscape and tell them to choose a house site, half of them will go sit on the ridges where they'll die in the next fire, or where you can't get water to them. Or they'll sit in all the dam sites. Or they'll sit in all the places that will perish in the next big wind.

One of the great rules of design is do something basic right. Then everything gets much more right of itself. But if you do something basic wrong - if you make what I call a Type 1 Error - you can get nothing else right.