The methods that EPA introduced after 1970 to reduce air-pollutant emissions worked for a while, but over time have become progressively less effective.

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

The first law of ecology is that everything is related to everything else.---->I dont believe in environmentalism as the solution to anything. What I believe is that environmentalism illuminates the things that need to be done to solve all of the problems together.

In every case, the environmental hazards were made known only by independent scientists, who were often bitterly opposed by the corporations responsible for the hazards.

Perhaps one of the most meaningful ways to sense the impact of the environmental crisis is to confront the question which is always asked about Lake Erie: how can we restore it? I believe the only valid answer is that no one knows. For it should be clear that even if overnight all of the pollutants now pouring into Lake Erie were stopped, there would still remain the problem of the accumulated mass of pollutants in the lake bottom.