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

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.

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.

No one can define or measure justice, democracy, security, freedom, truth, or love. No one can define or measure any value. But if no one speaks up for them, if systems aren’t designed to produce them, if we don’t speak about them and point toward their presence or absence, they will cease to exist.

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

The actions of my government are not bearable. They devastate our natural resources and deprive our people. The politicians speak piously while practicing greed and divisiveness; they care nothing for the nation. I want to do more than withdraw my support. I want to tar and feather them.

George W. cares as much about climate change as you would expect from a Texas oilman