Increasing numbers of Americans are fleeing cities and suburbs for the small towns and open spaces that surround national and state parks, wildlife refuges, historic sites, and other public lands.

Despite his status as a scion of one of the wealthiest and most famous families in the United States and an enormously successful businessman in his own right, Laurance S. Rockefeller is unknown to all but a small circle of Americans.

Vast areas of valuable resources unfettered by legal rights have, for centuries, been the central target of human exploitation and appropriation.

Consider this paradox: Ecologists estimate that it would take three planets Earth to provide an American standard of living to the entire world.