We don't need bigger cars or fancier clothes. We need self-respect, identity, community, love, variety, beauty, challenge and a purpose in living that is greater than material accumulation.

World fertility surveys indicate that anywhere from one third to one half of the babies born in the Third World would not be if their mothers had access to cheap, reliable family planning, had enough personal empowerment to stand up to their husbands and relatives, and could choose their own family size.

Scientists worldwide agree that the reduction needed to stabilize the climate is actually more like 80 percent.

I know that war and mayhem run in our blood. I refuse to believe that they must dominate our lives. We humans are animals, too, but animals with amazing powers of rationality, morality, society. We can use our strength and courage not to savage each other, but to defend our highest purposes.

We don't need new laws that can be used by organizations with deep pockets and the ability to deduct legal expenses as a cost of doing business to intimidate individuals or organizations that voice legitimate concerns.

Ending poverty calls for humility, honesty, freedom from ideology and refusal to accept cruel simplicities about anyone's human potential. It requires listening to the wisdom and cutting the nonsense from both the Right and the Left.

Biodiversity can't be maintained by protecting a few species in a zoo, or by preserving greenbelts or national parks. To function properly, nature needs more room than that. It can maintain itself, however, without human expense, without zookeepers, park rangers, foresters or gene banks. All it needs is to be left alone.

You may be able to fool the voters, but not the atmosphere.

A knowledgeable and courageous U.S. president could help enormously in leading the world's nations toward saving the climate.

Like the other great revolutions, an environmental revolution will require sacrifices and lead to enormous gains. It, too, will change the face of the land and human institutions, hierarchies, self-definitions, cultures. It will take centuries. If it happens. There is no guarantee, of course.