A megastudy of behavioral interventions to catalyze public, political, and financial climate advocacy.

ABSTRACT: Addressing climate change depends on large-scale system changes, which require public advocacy. Here, we identified and tested 17 expert-crowdsourced theory-informed behavioral interventions designed to promote public, political, and financial advocacy in a large quota-matched sample of US residents (n = 31,324). The most consistently effective intervention emphasized both the collective efficacy and emotional benefits of climate action, increasing advocacy by up to 10 percentage points. This was also the top intervention among participants identifying as Democrats. Appealing to binding moral foundations, such as purity and sanctity, was also among the most effective interventions, showing positive effects even among participants identifying as Republicans. These findings provide cr

SUBMITTER: Goldwert D 

PROVIDER: S-EPMC12836310 | biostudies-literature | 2026 Jan

REPOSITORIES: biostudies-literature