The e-mails are mainly about a controversy over a particular data set and the ways a particular small group of scientists have displayed that dataset.

Humanity cannot afford to muddle through the rest of the twentieth century; the risks are too great, and the stakes are too high. This may be the last opportunity to choose our own and our descendants’ destiny. Failing to choose or making the wrong choices may lead to catastrophe. But it must never be forgotten that the right choices could lead to a much better world.

A program of sterilizing women after their second or third child, despite the relatively greater difficulty of the operation than vasectomy, might be easier to implement than trying to sterilize men.

To date, there has been no serious attempt in Western countries to use laws to control excessive population growth, although there exists ample authority under which population growth could be regulated.

A massive campaign must be launched to de-develop the United States… [we] must design a stable, low-consumption economy.

Reliable and affordable energy is essential for meeting basic human needs and fueling economic growth, but many of the most difficult and dangerous environmental problems at every level of economic development arise from the harvesting, transport, processing, and conversion of energy

The need for de-development presents our economists with a major challenge. They must design a stable, low-consumption economy in which there is a much more equitable distribution of wealth than in the present one. Redistribution of wealth both within and among nations is absolutely essential if a decent life is to be provided for every human being.