The global push for carbon neutrality highlights the need for rigorous assessments of whether national efforts align with stated targets.However,existing evaluations often prioritize commitments over tangible progress...The global push for carbon neutrality highlights the need for rigorous assessments of whether national efforts align with stated targets.However,existing evaluations often prioritize commitments over tangible progress,lacking comprehensive and transparent metrics.To bridge this gap,we develop a multidimensional indicator system that evaluates targets,policies,actions,and effectiveness across key areas,including policy implementation,technology deployment,financial investment,and international cooperation.While 151 countries have pledged carbon neutralityd19 of which are developing nations that made commitments in 2024dimplementation remains uneven.Only 72 countries have established complete policy frameworks,and advanced low-carbon technologies are concentrated in a handful of nations.Current trends indicate that global renewable energy capacity will reach just 2.7 times its 2022 level by 2030,falling short of the tripling target.Moreover,the global median action score in 2024 stands at only 25dfar below the target of 65dhighlighting the urgency for stronger efforts.Our findings reveal a significant gap between ambition and action,with renewable energy deployment lagging behind expectations.To accelerate progress,enhanced global cooperation,increased investment,and fewer barriers to technology diffusion are crucial.This study underscores the need for more implementationfocused tracking to ensure carbon neutrality commitments translate into measurable outcomes.展开更多
基金supported by the National Natural Science Foundation of China(No.72140002,72348001 and 72204137).
文摘The global push for carbon neutrality highlights the need for rigorous assessments of whether national efforts align with stated targets.However,existing evaluations often prioritize commitments over tangible progress,lacking comprehensive and transparent metrics.To bridge this gap,we develop a multidimensional indicator system that evaluates targets,policies,actions,and effectiveness across key areas,including policy implementation,technology deployment,financial investment,and international cooperation.While 151 countries have pledged carbon neutralityd19 of which are developing nations that made commitments in 2024dimplementation remains uneven.Only 72 countries have established complete policy frameworks,and advanced low-carbon technologies are concentrated in a handful of nations.Current trends indicate that global renewable energy capacity will reach just 2.7 times its 2022 level by 2030,falling short of the tripling target.Moreover,the global median action score in 2024 stands at only 25dfar below the target of 65dhighlighting the urgency for stronger efforts.Our findings reveal a significant gap between ambition and action,with renewable energy deployment lagging behind expectations.To accelerate progress,enhanced global cooperation,increased investment,and fewer barriers to technology diffusion are crucial.This study underscores the need for more implementationfocused tracking to ensure carbon neutrality commitments translate into measurable outcomes.
