I. Introduction
II. What does transnationalisation mean?
III. Transnationalisation within international climate law 1. actors 2. control instruments 3. enforcement mechanisms 4. evaluation
IV. Transnationalisation beyond international climate law 1. activation of the sub-state level 2. shift to international organizations 3. climate litigation
V. Climate protection as a polycentric and multi-level governance system
VI. Comparison with transnationalisation strategies in the Corporate Social Responsibility discourse
VII. Conclusion