Politics is democracy's way of handling public business. We won't get the type of country in the kind of world we want unless people take part in the public's business.

It seems that every time mankind is given a lot of energy, we go out and wreck something with it.

You don't have a conservation policy unless you have a population policy.

We are no longer inheriting the Earth from our parents, we are stealing it from our children.

All I know about thermal pollution is that if we continue our present rate of growth in electrical energy consumption it will simply take, by the year 2000, all our freshwater streams to cool the generators and reactors.

If something's going wrong with this planet we'd better fix it here and not look for some sort of escape.

Sometimes luck is with you, and sometimes not, but the important thing is to take the dare. Those who climb mountains or raft rivers understand this.