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The report finds that while the number of non-state and subnational actors setting climate targets is growing, there is limited evidence that this ambition is translating into realized impacts. Full implementation of individual targets could reduce 2030 emissions by 2.0 to 2.5 GtCO2e/year, while international cooperative initiatives' goals could lead to a reduction of 16 GtCO2e/year. However, progress is uneven, with only half of city governments and 80% of companies meeting their 2020 targets.