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Sub‐national governments are a crucial non‐state actor for mitigating climate change. This importance has recently strengthened as increasing numbers of municipalities declare net‐zero carbon emission goals to support the Paris Agreement, often well ahead of national governments. In Japan, net‐zero declarations have also diffused widely, with nearly 800 declarations appearing in domino‐like fashion...
Local climate policy in Germany is embedded in a complex and dense multilevel system. While higher levels of governance confront cities with legal frameworks and regulations, they are not constrained to mere implementation of requirements from the national or supranational levels. Cities can influence and make strategic use of opportunities stemming from the multilevel structure to introduce innovative...