The past was still a Golden Age, of ignorance, while the present is an Iron Age of willful bliss.

In much of the rest of the world, rich people live in gated communities and drink bottled water. That's increasingly the case in Los Angeles where I come from. So that wealthy people in much of the world are insulated from the consequences of their actions.

Why is it that you white people developed so much cargo and brought it to New Guinea, but we black people had little cargo of our own?

Forced to choose between limiting population or trying to increase food production, we chose the latter and ended up with starvation, warfare, and tyranny.

Perhaps our greatest distinction as a species is our capacity, unique among animals, to make counter-evolutionary choices.

In the latter case it is often government that organizes the conquest, and religion that justifies it.

People often ask, "What is the single most important environmental population problem facing the world today?" A flip answer would be, "The single most important problem is our misguided focus on identifying the single most important problem!