Nuclear war is not inevitable, but major degradation of our environment with grave consequences is inevitable unless we reverse the trend.

If we continue to address the issue of the environment where we live as though we're the only species that lives here, we'll create a disaster for ourselves.

It was truly an astonishing grassroots explosion, ... The objective was to get a nationwide demonstration of concern for the environment so large that it would shake the political establishment out of its lethargy.

We must recognize that we're all part of a web of life around the world. Anytime you extinguish a species, the consequences are serious.

It's a horrible problem, ... financially the consequences are significant.

Loads of chemicals and hazardous wastes have been introduced into the atmosphere that didn't even exist in 1948. The environmental condition of the planet is far worse than it was 42 years ago.