I call the transformed world toward which we can move ‘sustainable,’ by which I mean a great deal more than a world that merely sustains itself unchanged. I mean a world that evolves, as life on earth has evolved for three billion years, toward ever greater diversity, elegance, beauty, self-awareness, interrelationship, and spiritual realization.

How do we appreciate the good without letting it be the enemy of the perfect? How do we keep a step in the right direction from becoming a stopping point? How do we get beyond shades of insipid light green?

Since the Earth is finite, and we will have to stop expanding sometime, should we do it before or after nature's diversity is gone?

I call the transformed world toward which we can move ‘sustainable,’ by which I mean a great deal more than a world that merely sustains itself unchanged. I mean a world that evolves, as life on earth has evolved for three billion years, toward ever greater diversity, elegance, beauty, self-awareness, interrelationship, and spiritual realization.

There have been high crimes and misdemeanors, but they have been committed by the special prosecutor and the Congress, not the president.

The sustainability revolution will be organic. It will arise from the visions, insights, experiments and actions of billions of people. The burden of making it happen is not on the shoulders of any one person or group. No one will get the credit, but everyone can contribute.

There are no separate systems. The world is a continuum. Where to draw a boundary around a system depends on the purpose of the discussion.