Examining the Relationships between Religious Affiliation, External and Internal Behavioural Factors, and Personal Carbon Footprint

Abstract

Different studies have shown that daily consumption is responsible for a large portion of greenhouse gas emissions. Since consumption is closely linked to individuals’ preferences, motivations, and beliefs, the personal carbon footprint should be a good indicator of actual consumers’ commitments towards climate change mitigation. Previous research has shown the importance of considering individual-level religion as an antecedent of mitigation outcomes, although the evidence is inconclusive in this regard. This study examines the relationship between religious affiliation and personal carbon footprint, following socio-psychological models that consider behaviour to depend on external or situational factors, and internal or intrinsic ones. A questionnaire was carried out on a random sample of the Spanish population (N = 845) to determine the main drivers of carbon footprint for different religious groups. External factors (i.e., socioeconomic) and internal ones related to climate change knowledge, commitment, and intractability, on the one hand, and value orientation, nature-relatedness, and the main motivation to conserve nature on the other hand, were analysed. Intergroup differences in the personal carbon footprint were found, especially based on sex, age group, and type of work among external factors and value orientation, the main motivation for conserving nature and climate change perceived commitment within the internals. Intragroup differences for food carbon footprint were also observed, as follows: the main motivation to conserve nature and the level of commitment implied differences among Catholic believers, whereas value orientation and the level of commitment implied differences among non-believers. Our conclusions suggest, on the one hand, the importance of examining the religion-mitigation link in a socio-psychological framework and, on the other, the need for further study within groups to promote better behavioural responses to climate change.