Teddy Roosevelt of course was a great outdoorsman all his life.

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.

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.

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

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.

The most important environmental issue is one that is rarely mentioned, and that is the lack of a conservation ethic in our culture.