Katharina Holzinger is Chair of International Relations at the University of Konstanz. Christoph Knill is Chair of Comparative Public Policy and Administration at the University of Konstanz. Bas Arts is Chair of the Forest and Nature Conservation Policy Group at Wageningen University.

• Preface; 1. Introduction Katharina Holzinger, Christoph Knill and Bas Arts; 2. State of the art - conceptualising environmental policy convergence Katharina Holzinger, Helge Jörgens and Christoph Knill; 3. Theoretical framework: causal factors and convergence expectations Katharina Holzinger and Christoph Knill; 4. Research design, variables and data Stephan Heichel, Katharina Holzinger, Thomas Sommerer, Duncan Liefferink, Jessica Pape and Sietske Veenman; 5. Degree and direction of environmental policy convergence: analysis of aggregate data Thomas Sommerer, Christoph Knill and Katharina Holzinger; 6. The pair approach: what causes convergence of environmental policies? Thomas Sommerer, Katharina Holzinger and Christoph Knill; 7. The gap approach: what affects the direction of environmental policy convergence? Bas Arts, Duncan Liefferink, Jelmer Kamstra and Jeroen Ooijevaar; 8. Conclusion Christoph Knill, Katharina Holzinger and Bas Arts.

Katharina Holzinger is Chair of International Relations at the University of Konstanz. Christoph Knill is Chair of Comparative Public Policy and Administration at the University of Konstanz. Bas Arts is Chair of the Forest and Nature Conservation Policy Group at Wageningen University.

• Preface; 1. Introduction Katharina Holzinger, Christoph Knill and Bas Arts; 2. State of the art - conceptualising environmental policy convergence Katharina Holzinger, Helge Jörgens and Christoph Knill; 3. Theoretical framework: causal factors and convergence expectations Katharina Holzinger and Christoph Knill; 4. Research design, variables and data Stephan Heichel, Katharina Holzinger, Thomas Sommerer, Duncan Liefferink, Jessica Pape and Sietske Veenman; 5. Degree and direction of environmental policy convergence: analysis of aggregate data Thomas Sommerer, Christoph Knill and Katharina Holzinger; 6. The pair approach: what causes convergence of environmental policies? Thomas Sommerer, Katharina Holzinger and Christoph Knill; 7. The gap approach: what affects the direction of environmental policy convergence? Bas Arts, Duncan Liefferink, Jelmer Kamstra and Jeroen Ooijevaar; 8. Conclusion Christoph Knill, Katharina Holzinger and Bas Arts.

Katharina Holzinger is Chair of International Relations at the University of Konstanz. Christoph Knill is Chair of Comparative Public Policy and Administration at the University of Konstanz. Bas Arts is Chair of the Forest and Nature Conservation Policy Group at Wageningen University.

• Preface; 1. Introduction Katharina Holzinger, Christoph Knill and Bas Arts; 2. State of the art - conceptualising environmental policy convergence Katharina Holzinger, Helge Jörgens and Christoph Knill; 3. Theoretical framework: causal factors and convergence expectations Katharina Holzinger and Christoph Knill; 4. Research design, variables and data Stephan Heichel, Katharina Holzinger, Thomas Sommerer, Duncan Liefferink, Jessica Pape and Sietske Veenman; 5. Degree and direction of environmental policy convergence: analysis of aggregate data Thomas Sommerer, Christoph Knill and Katharina Holzinger; 6. The pair approach: what causes convergence of environmental policies? Thomas Sommerer, Katharina Holzinger and Christoph Knill; 7. The gap approach: what affects the direction of environmental policy convergence? Bas Arts, Duncan Liefferink, Jelmer Kamstra and Jeroen Ooijevaar; 8. Conclusion Christoph Knill, Katharina Holzinger and Bas Arts.