Climate change adaptation (CCA) to reduce or prevent negative climate change impacts and, in some cases, maximize potential benefits is a complex challenge demanding multi-level policy action. In federalist systems, sub-national governments are among key actors for enabling adaptation and their clear commitments can increase collaboration and innovation at the local level. Germany serves as a particularly insightful case for observing the variance among sub-national approaches due to its role as a “leader” in CCA at the national level. This paper provides the first systematic assessment of all sixteen state adaptation strategies in Germany and examines how German states are fostering adaptation, the extent to which their approaches vary, and which patterns have emerged. Based on a qualitative document analysis of over 30 documents, this assessment focuses on five indicators synthesized from literature climate policy analyses and on barriers and facilitating factors of adaptation. Results find that German state strategies are often non-committal sets of recommendations and identify three clusters displaying different degrees of institutionalization and guidance. While federalism allows for flexibility among state responses, the absence of federal mandates and policy standards allows some states to fall behind while others continue to develop their strategies to foster adaptation. These sixteen diverse approaches each have implications for adaptation governance at other levels.

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