Intro -- Acknowledgements -- About the Book -- Contents -- About the Author -- 1 Introduction -- 1.1 Setting the Scene: Climate Change -- 1.2 Exploring the Background: The Challenges of Globalisation and the Westphalian System -- 1.2.1 Global Constitutionalism as an Answer to Global Challenges? -- 1.2.2 Climate Justice -- 1.2.3 Democracy and Deliberation -- 1.2.4 Häberle on the Open Society of Constitutional Interpreters -- 1.3 Objective of the Book: CCL and Non-state Actors as International Lawmakers? -- 1.4 Terminology -- 1.5 Methodology -- 1.6 Structure of the Book 2 Interpretation in International Law -- 2.1 Introduction -- 2.1.1 What is the Relevance of Interpretation? -- 2.1.2 What is Interpretation? -- 2.2 The Practice of Interpretation -- 2.3 Interpretation Methods -- 2.3.1 Static Approaches: Originalism and Textualism -- 2.3.2 Evolutionary, Dynamic and Teleological Interpretation -- 2.3.3 Limits of Evolutionary Interpretation -- 2.3.4 Human Rights and Environmental Law -- 2.4 Concluding Remarks -- 3 Constitution, Constitutionalisation and Constitutionalism -- 3.1 From Government to (Environmental and Climate) Governance 3.2 A Global Constitutional Order: Constitution, Constitutionalisation and Constitutionalism -- 3.2.1 Constitution -- 3.2.2 Global Constitutionalism and Constitutionalisation -- 3.2.3 Criticism -- 3.2.4 Constitutional Quality of IEL Treaties? -- 3.3 Global Environmental (and Climate) Constitutionalism -- 3.4 Conclusions -- 4 Climate Justice and Transnational Climate Constitutionalism -- 4.1 Climate Change as a Justice Problem -- 4.2 A (Legal) Duty of Justice towards the Climatically Disadvantaged? -- 4.3 A duty to Intra- and Intergenerational Justice? The KSG and the GFCC 4.4 Constitutionalism and Values -- 4.5 Concluding Remarks -- 5 Transnational Solidarity -- 5.1 A Basic Consensus for Climate Justice? -- 5.2 Global Solidarity? -- 5.3 Approach 1: Global Climate Constitutionalism Based on Values -- 5.3.1 The Common Values -- 5.3.2 Criticism: Universal Values? -- 5.4 Approach 2: Common Interests / Global Commons and Shared Risks -- 5.5 A Hybrid Approach? The Common Concern of Humankind (CCH) -- 5.6 Conclusion: A Base for Global Solidarity Within the Global Community -- 6 Deliberative Democracy and CCL -- 6.1 Deliberative Democracy 6.1.1 Deliberative Democracy for Global Governance -- 6.1.2 Contestation in Deliberative Democracy -- 6.2 Participation through Interpretation -- 6.3 Climate Change Litigation (CCL) -- 6.4 Litigation as Participation in Self-Government -- 6.5 Conclusion -- 7 Societal Constitutionalism -- 7.1 Participation of Non-State Actors -- 7.2 Who makes IL? -- 7.3 The Positions of Proponents of Societal Constitutionalism -- 7.3.1 Legal Pluralism -- 7.3.2 Is it Really Law, and Does it Matter? -- 7.3.3 Who Acts?.