Look closely at nature. Every species is a masterpiece, exquisitely adapted to the particular environment in which it has survived. Who are we to destroy or even diminish biodiversity?

Perhaps the time has come to cease calling it the 'environmentalist' view, as though it were a lobbying effort outside the mainstream of human activity, and to start calling it the real-world view.

All three of the Abrahamic religions were born and nurtured in arid, disturbed environments.

One planet, one experiment.

The great challenge of the twenty-first century is to raise people everywhere to a decent standard of living while preserving as much of the rest of life as possible.

The work on ants has profoundly affected the way I think about humans.

Sometimes a concept is baffling not because it is profound but because it is wrong.