Life had always been chancy. And now life had found ways of surviving the ultimate extinction event. In new oceans and on strange lands, evolution ha… - Stephen Baxter

But even the steady state, our best-hope future, may not be achievable without space.
Without power and materials from space we are doomed to shuffle a known—in fact diminishing—stockpile of resources around the planet. Some players get rich; others get poor. But it’s not even a zero-sum game; in the long term we are all losers.

Well, the world may be heading for the iceberg, but the dead hand of old Darwin is still on the tiller.
What am I talking about? Just this: if most people stop breeding, the handful of people who love kids and want to have them—people like me—are, within a generation or two, going to outnumber everyone else. Simple math.
And that’s exactly what is happening.

Humans and their petty doings come and go, but the geology endures.