Indeed, our particular concept of private property, which deters us from exhausting the positive resources of the earth, favors pollution.

A technical solution may be defined as one that requires a change only in the techniques of the natural sciences, demanding little or nothing in the way of change in human values or ideas of morality.

Ecology is the overall science of which economics is a minor speciality.

It is a mistake to think that we can control the breeding of mankind in the long run by an appeal to conscience.

Economists (and others) who are satisfied with nature-free equations develop a dangerous hubris about the potency of our species

What features of your daily life do you expect to be improved by a further increase in population?

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