In nature, no organic substance is synthesized unless there is provision for its degradation; recycling is enforced.

The proper use of science is not to conquer nature but to live in it.

Seen that way, the wholesale transformation of production technologies that is mandated by pollution prevention creates a new surge of economic development.

Environmental concern is now firmly embedded in public life: in education, medicine and law; in journalism, literature and art.

Because the global ecosystem is a connected whole, in which nothing can be gained or lost and which is not subject to over-all improvement, anything extracted from it by human effort must be replaced. Payment of this price cannot be avoided; it can only be delayed. The present environmental crisis is a warning that we have delayed nearly too long.

The age of innocent faith in science and technology may be over.

In certain ways, I'm not very different than I was when I was a teenager.