Presents a range of options for international climate policy. Highly topical analysis of the debate over possible successors to the Kyoto agreement.This book addresses the need to design a post-2012 international climate change policy architecture and presents six proposals for successors to the Kyoto Protocol. Some of these proposals build on the foundation established by the Kyoto agreement, while others focus on the need for developing an entirely new policy infrastructure. Commentaries provide critical reviews of the policy designs and political questions raised by the proposals.