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

It is in this space of mastery over paradigms that people throw off addictions, live in constant joy, bring down empires, get locked up or burned at the stake or crucified or shot, and have impacts that last for millennia.

Why is our (US) government the only one in the civilized world with a stupid, short-term energy policy? Why do our elected officials consider a European or Japanese-type energy tax not only unpassable but undiscussable?

You should issue demerits for tree cutting or the destruction of humus.

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.

Any system, biological, economic, or social, that gets so encrusted that it cannot self-evolve, a system that systematically scorns experimentation and wipes out the raw material of innovation, is doomed over the long term on this highly variable planet.

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?