Our Thinking Is Permeated By Our Historical

We Cannot Hope To Either Understand Or To Manage The Carbon In The Atmosphere Unless We Understand And Manage The Trees And The Soil Too.

To Give Us Room To Explore The Varieties Of Mind And Body Into Which Our Genome Can Evolve, One Planet Is Not Enough.

There Is Nothing So Big Nor So Crazy That One Out Of A Million Technological Societies May Not Feel Itself Driven To Do, Provided It Is Physically Possible.

It Is Not Surprising That Honest And Well-informed Experts Can Disagree About Facts. But Beyond The Disagreement About Facts, There Is Another Deeper Disagreement About Values.

Things Are Always More Complicated Than Most People Believe.