In December 2011, the Canadian government decided to officially withdraw from the Kyoto Protocol on climate change. While this decision has been expected by some negotiators and policy-makers, it poses an interesting question for political-economic theories of international cooperation: Why do...

Case study and model results lend some optimism for the potential of small coalitions with partially excludable public goods to substantially deepen international cooperation on energy and climate issues. Drawing motivation from other issue areas in international relations ranging from nuclear...

Nations around the world have pledged for decades to address climate change, but no significant actions have been taken. This is hardly surprising, since there is no precedent in human history for such cooperation. Greenhouse gas emissions continue to rise, not fall. I argue that optimism about...