Science-Policy

Intergovernmental Panel on Climate Change (IPCC)

  • Second Assessment Report, Working Group II (1995): Lead Author, Chapter 1 (Climate Change Impacts on Forests) and Contributing Author, Introductory Material A (Primer)
  • Special Report “Land Use, Land Use Change and Forestry” (2000): Lead Author, Chapter 2 (Global Perspective)
  • Third Assessment Report, Working Group II (2001): Lead Author, Chapter 5 (Ecosystems and their goods and services) and Chapter 13 (Europe)
  • Fourth Assessment Report, Working Group II (2007): Review Editor, Technical Summary (with D Murdiyarso, Bogor, Indonesia) and Chapter 4, “Ecosystems” (with S Diaz, Cordoba, Argentina)
  • Fifth Assessment Report, Working Group II (2014): Coordinating Lead Author, Chapter 18, “Detection and Attribution of Observed Impacts of Climate Change” (with G Yohe, USA); Lead Author, Technical Summary & Summary for Policymakers
  • Fifth Assessment Report, Synthesis Report (2014): Core Writing Team Member
  • Special Report “Impacts of global warming of 1.5 °C above pre-industrial levels and related global greenhouse gas emission pathways, in the context of strengthening the global response to the threat of climate change, sustainable development, and efforts to eradicate poverty” (2018): Lead Author, Chapter 1 (Framing and Context)
  • Sixth Assessment Report, Working Group II (2021): Coordinator, Cross Chapter Paper on the Mediterranean Basin, also Lead Author, Chapter 1 (Framing and Context)
  • Scientific advisor of the German government delegation at several IPCC plenary sessions and national policy meetings

Intergovernmental Platform on Biodiversity and Ecosystem Services (IPBES)

  • Member of the French government and/or ICSU delegation at several IPBES plenary sessions and national policy meetings

Millennium Ecosystem Assessment (2005)

  • Scenarios Working Group: Convening Lead Author (with J Alcamo and D Van Vuuren), Chapter 9 (Changes in Provisioning and Regulating Ecosystem Goods and Services and their Drivers across Scenarios)
  • Conditions and Trends Working Group: Lead author, Chapter 3 (Analytical Approaches for Assessing Ecosystem Condition and Human Well-Being)