Smart city investment carries a demanding climate promise: digital systems should help urban economies grow while using energy more efficiently.

The authors, affiliated with Jiangxi University of Science and Technology and Shanghai University, investigate how smart city designation affects carbon performance.

The study links the policy to lower carbon emissions per unit of economic output, with benefits emerging after several years.

Measure Carbon Performance Beyond the Smart City Label A credible digital climate strategy needs a clear definition of success.

Instead, the reported indirect effect is positive, which the authors interpret as partially offsetting the improvement associated with the smart city policy.