1. Transforming our World: The 2030 Agenda for Sustainable Developmenthttps://sustainabledevelopment.un.org/content/documents/21252030%20Agenda%20for%20Sustainable%20Development%20web.pdf
2. Educating for Sustainable Development Goals—Learning Objectiveshttps://unesdoc.unesco.org/ark:/48223/pf0000247444/
3. Transformative Leadership in Education: Equitable Change in an Uncertain and Complex World;Shields,2013
4. Environment and Citizenship;Cao,2015
5. The Systems View of Life—A Unifying Vision;Capra,2014