"If we don't change, our species will not survive... Frankly, we may get to the point where the only way of saving the world will be for industrial civilization to collapse."

“It is simply not feasible for sovereignty to be exercised unilaterally by individual nation-states, however powerful. It is a principle which will yield only slowly and reluctantly to the imperatives of global environmental cooperation.”

“Our concepts of ballot-box democracy may need to be modified to produce strong governments capable of making difficult decisions.”

“What if a small group of world leaders were to conclude that the principal risk to the Earth comes from the actions of the rich countries? And if the world is to survive, those rich countries would have to sign an agreement reducing their impact on the environment. Will they do it? The group's conclusion is 'no'. The rich countries won't do it. They won't change. So, in order to save the planet, the group decides: Isn't the only hope for the planet that the industrialized civilizations collapse? Isn't it our responsibility to bring that about?”

“Current lifestyles and consumption patterns of the affluent middle class - involving high meat intake, the use of fossil fuels, electrical appliances, home and work-place air-conditioning, and suburban housing - are not sustainable.”