Why Copenhagen doesn't matter: Rather than pinning our hopes on global solutions, anyone concerned about mitigating climate change should be hoping that the few big emitters decide to act now, regardless of what other countries decide to do. The Center for American Progress on myth vs. reality on international climate change negotiations. Planetary boundaries: Scientists propose guardrails for how far mankind can push the planet tomorrow, while others examine how far collapsed civilizations pushed it yesterday. Should we seek to save industrial civilisation? George Monbiot debates Paul Kingsnorth. A look at why green Catholics are not communists. From TNR, a review essay on the usefulness of cranks: Is environmentalism a natural ally of liberalism?; Earth to Obama: You can't negotiate with the planet; and what

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