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

Everything is connected to everything else.

The most meaningful engine of change, powerful enough to confront corporate power, may be not so much environmental quality, as the economic development and growth associated with the effort to improve it.

In certain ways, I'm not very different than I was when I was a teenager.

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.

Environmental pollution is an incurable disease. It can only be prevented.