"When common sense sees a puzzling phenomenon it looks for a causal agent. When it sees organization it looks for an organizer. This works amazingly well for purposes ranging from the diagnosis of diseases to the creation of governments. But it cannot account for emergence ... the appearance of complex phenomena not predictable from the basic elements and processes alone."

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I don't mean to imply that we are in imminent danger of being wiped off the face of the earth - at least, not on account of global warming. But climate change does confront us with profound new realities. We face these new realities as a nation, as members of the world community, as consumers, as producers, and as investors. And unless we do a better job of adjusting to these new realities, we will pay a heavy price. We may not suffer the fate of the dinosaurs. But there will be a toll on our environment and on our economy, and the toll will rise higher with each new generation.

— Eileen Claussen