Moreover, the practical recommendations deduced from ecological principles threaten the vested interests of commerce; it is hardly surprising that the financial and political power created by these investments should be used sometimes to suppress environmental impact studies.

In a finite world this means that the per capita share of the world's goods must steadily decrease.

It takes five years for a willing person's mind to change. Have patience with yourself and others when treading in an area protected by a taboo.

Continuity is at the heart of conservatism: ecology serves that heart.

Indeed, our particular concept of private property, which deters us from exhausting the positive resources of the earth, favors pollution.

In an approximate way, the logic of commons has been understood for a long time, perhaps since the discovery of agriculture or the invention of private property in real estate.

But it is no good using the tongs of reason to pull the Fundamentalists' chestnuts out of the fire of contradiction. Their real troubles lie elsewhere.