One question in this dissertation has been what potentials and limitations do regional arenas hold for future climate policy. Based on the ACIA, it appears that a regional assessment process can provide an in-depth synthesis of available scientific knowledge regarding the region's role in global climate change and can also complement the global framing of climate change impacts with local perspectives that emphasize climate as one of many factors that affects vulnerability. The ACIA case also shows that the regional arena has the potential to bring new actors into international climate politics and knowledge production, as evidenced by the strong role of indigenous peoples' organizations in both the scientific assessment and the ACIA policy process.
Without additional case studies of regional climate impact assessments, it is difficult to judge if there are generalities to these conclusions. However, it appears that ACIA's outcome was dependent on a number of factors that may or may not be present in other regional settings. These factors could be used as preliminary diagnostic tools for judging the potential of other regional assessments. This section highlights these critical factors and could serve as a basis for evaluating their usefulness in other case studies.
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