Mitigating Climate Change via the Demand Side and Behavioral Insights: Policy Recommendation and Current Challenges.

The article examines the role of behavioral insights—systematic applications of behavioral and brain science findings—in demand-side climate change mitigation, emphasizing their potential and limitations. It argues that the average effectiveness of behavioral interventions is often uninformative due to heterogeneous effects across populations, contexts, and policy regimes, and that many impactful behavioral applications occur outside academic literature, such as in private sector practices revealed through legal and corporate documents. The article highlights the critical challenge of scaling behavioral interventions from controlled studies to real-world policy outcomes, noting that effectiveness often diminishes when expanded. Consequently, it recommends cautious, case-by-case application of behavioral insights, incorporating diverse evidence sources and focusing on context-specific factors to enhance climate mitigation efforts.