“…First, in addition to human capital (Scarpellini, Ortega‐Lapiedra, Marco‐Fondevila, & Aranda‐Usón, ), external resources (Arfi, Hikkerova, & Sahut, ), supply network (Roscoe, Cousins, & Lamming, ) and similar factors found in previous studies, this study found that social capital had an impact on firms' environmental innovations. To be more specific, structural and relational capital played significant, positive roles in environmental innovation, while the role of cognitive capital was not confirmed.…”