Utopian Realism

We need � quite urgently, I think � plausible visions of where we might be fifty or a hundred or a thousand years hence: a hot, densely populated, predominantly urban planetary culture that nevertheless manages to feed everybody, house everybody, and give everybody room to pursue their own happiness without destroying our resource base.

�Charlie Stross, arguing for a new birth of eyes-wide Utopianism that embraces even the scariest prospects of our world as givens.