All of the clean technologies are known, it's a question of simply applying them.

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

Nothing ever dies, nothing ever goes away.

What is needed now is a transformation of the major systems of production more profound than even the sweeping post-World War II changes in production technology.

Environmental pollution is an incurable disease. It can only be prevented.

Despite the dazzling successes of modern technology and the unprecedented power of modern military systems, they suffer from a common and catastrophic fault. While providing us with a bountiful supply of food, with great industrial plants, with high-speed transportation, and with military weapons of unprecedented power, they threaten our very survival.

If you can see the light at the end of the tunnel, you are looking the wrong way.