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

The first law of ecology is that everything is related to everything else.

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

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

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.

We are in an environmental crisis which threatens the survival of this nation, and of the world as a suitable place of human habitation.

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