The geography of goodwill: Recreational engagement with nature predicts prosociality across US states

•We collected indicators of US state-level recreational nature engagement.•We collected indicators of US state-level prosociality (e.g., volunteering, empathy) and antisociality (e.g., violent crime).•State-level recreational nature engagement is a positive predictor of prosociality and – to a lesser degree – a negative predictor of antisociality.•A multiverse analysis shows that these results are robust across analytical choices.