ate Policy – Strategies for Enhanced Participation and Integration Michael Rodi* 15 years after the climate conference in Rio de Janeiro, an international climate regime with clear structures has emerged.1 For several years, a rapidly growing carbon market has been a reality.2 At the same time, however, the recent Fourth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC)3 merely underscores what we already know: global warming is a serious and potentially devastating threat. Against that backdrop, the current climate regime ha