Using a purposive sample with an even distribution of 299 non-Hispanic Whites, 294 African Americans, 292 Asian Americans and 295 Hispanics, we test a moderated mediation model that examines the relationship between self-reported news media consumption (e.g., non-conservative and conservative) and environmental behavioural intentions. Our study found evidence supporting the mainstreaming hypothesis (converging attitudes) across key variables within the theory of planned behaviour (TPB). Our results also reveal non-conservative outlets to be associated with more favourable environmental attitudes, subjective norms and perceived behavioural control, while conservative outlets are associated with less favourable levels for two of these three variables. Results also indicate conditional indirect relationships between non-conservative news use on behavioural intentions through our TPB variables, which vary by race/ethnicity.
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