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Description: Pro-environmental attitudes and behaviors show substantial individual differences, and exploring their predictors can help reveal the origins of pro-environmental behavior. Basic personality traits may provide a partial explanation, but it is unclear which personality traits are reliably associated with pro-environmental behaviors. The current paper uses a specific type of environmental behavior, reducing greenhouse gas emissions, to clarify which personality correlates are most robustly associated with behavior, and to test mediation of those effects through attitudes. A large (N = 345) sample of United States adults representative in age, gender, and ethnicity completed the 100-item HEXACO personality inventory, a novel self-report measure of behaviors that reduce greenhouse gas emissions, and scales of environmental and political attitudes. Accounting for demographics, emissions-reducing behaviors were most strongly predicted by Openness, Conscientiousness, and Extraversion, and these effects of personality were mediated by attitudes towards the natural environment. These observations broaden the understanding of the etiology of environmental attitudes and behavior. Brick, C., & Lewis, G. J. (2016). Unearthing the “green” personality: Core traits predict environmentally friendly behavior. Environment and Behavior, 48(5), 635-658. doi.org/10.1177/0013916514554695 Post-print PDF below