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.

Technologists practice faith too; 'Faith that problems have solutions before having the knowledge to solve them.'

After all, despite the economic advantage to firms that employed child labor, it was in the social interest, as a national policy, to abolish it - removing that advantage for all firms.

It is simply economically impossible to require controls that even approach zero emissions.

The modern assault on the environment began about 50 years ago, during and immediately after World War II.

Finally, since human beings are uniquely capable of producing materials not found in nature, environmental degradation may be due to the resultant intrusion into an ecosystem of a substance wholly foreign to it.

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