But as population became denser, the natural chemical and biological recycling processes became overloaded, calling for a redefinition of property rights.

The exquisite sight, sound, and smell of wilderness is many times more powerful if it is earned through physical achievement, if it comes at the end of a long and fatiguing trip for which vigorous good health is necessary. Practically speaking, this means that no one should be able to enter a wilderness by mechanical means.

Of course, a positive growth rate might be taken as evidence that a population is below its optimum.

Religious reasons, which is no reason. I notice Skeptic had a review of Dennett's book, Darwin's Dangerous Idea. Religious reasons amount to what Dennett terms "skyhooks." Do you believe in skyhooks? I don't.

The only kind of coercion I recommend is mutual coercion, mutually agreed upon by the majority of the people affected.

The essence of dramatic tragedy is not unhappiness. It resides in the solemnity of the remorseless working of things.

The population problem has no technical solution; it requires a fundamental extension in morality.