You are here: Home Research Transformation Pathways Projects AMPERE Structure



AMPERE was coordinated by the Potsdam Institute for Climate Impact Research (Project chair: Ottmar Edenhofer; Project Director: Elmar Kriegler). The steering committee of the project included Detlef van Vuuren (Universiteit Utrecht), Keywan Riahi (IIASA), Pantelis Capros (ICCS) and Valentina Bosetti (FEEM).


The global scale analysis was performed in four work packages (WPs). The first three WPs explored the feasibility and costs of mitigation pathways along the specific dimensions (1) climate system representations, (2) technology and energy sector limitations in myopic policy settings, and (3) incomplete sectoral and regional coverage of mitigation policies. Each of the WPs contained its own model intercomparison experiment to combine the exploration of the scenario space with an investigation of model uncertainty, its origins and its implications.

The 4th work package (WP4) provided the bracketing of these specific analyses. This included harmonisation of baseline assumptions of participating global models, alignment of experimental designs of the model intercomparisons in WP1-3, and a synthesis of the results involving (i) elements of a meta-comparison and (ii) a broadening of the perspective to the full space of different system and policy assumptions. An important element of coordination between WP1-4 was the choice of a common set of long-term climate targets expressed in terms of carbon (equivalent) budgets for the 21st century. An important element of enhancing the policy relevance of the analyses in WP1-4 was an assessment of how models in their role as policy evaluation tool relate to the real world policy situation. This included (i) a comparison of model benchmarks for measuring policy effects and costs, and (ii) carefully chosen validation exercises.

Embedded in the global scale analysis, a separate work package (WP5) conducted an in-depth investigation of the implications for EU27, and resulting strategies for reducing greenhouse gas emissions in the European Union. The linkage between WP5 and the global WP1-4 was established by forwarding global boundary conditions for Europe (in terms of, e.g., compatible regional climate targets, energy prices and state of technology). In analogy to the global scale WPs, WP5 also contained a combination of model benchmarking and validation and model intercomparison at the European level.

In addition, the project included a strong stakeholder involvement and dissemination component (WP6) to enhance the dialogue between the integrated assessment modelling community on the one hand and policy makers on the other, and to disseminate the policy implications of the project results. The project management was summarized in a remaining WP7.

Document Actions