A very Faustian choice is upon us: whether to accept our corrosive and risky behavior as the unavoidable price of population and economic growth or to take stock of ourselves and search for a new environmental ethic.

Yeah it's risky but no more risky than driving a car.

Planning cities is a necessary but risky business.

Raising children is an incredibly hard and risky business in which no cumulative wisdom is gained: each generation repeats the mistakes the previous one made.