The author is grateful for informal feedback on drafts and ideas over the past year from Christophe Bellmann, Bernice Lee, Ricardo Melendez-Ortiz, Jean-Marie Paugam as well as from the Commonwealth Secretariat and their external reviewers. New business opportunities linked to a more sustainable global economy are estimated to reach US$12 trillion or more by 2030 (Business & Sustainable Development Commission, 2017). Global trade in environmental goods alone is projected to reach US$2-3 trillion by 2020.