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.

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.

The AEC had at its command an army of highly skilled scientists.

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.

Recycling is a good thing to do. It makes people feel good to do it. The thing I want to emphasize is the vast difference between recycling for the purpose of feeling good and recycling for the purpose of solving the trash problem.

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.

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