This study proposes a measurement to evaluate corporate sustainability marketing communications on social media implemented by Fortune 500 enterprises. The results reveal significant differences between sustainability marketing communications in blogs and on Facebook. This study makes theoretical contributions by proposing a customer‐centric SMC framework that integrates sustainability issues, stimulation of sustainable mindsets and encouragement of sustainable consumption. It also demonstrates how corporate sustainability marketing communications differ on different social media. In addition, practical suggestions are provided. Copyright © 2016 John Wiley & Sons, Ltd and ERP Environment