1. United States Environmental Protection Agency (USEPA). What Is green power? Retrieved from https://beta.epa.gov/greenpower/what-green-power
2. Zhang HX (2021) Sustainable water management and triple bottom line approach to business sector. In: Meyers RA (ed) Encyclopedia of sustainability science and technology. Springer Nature. https://doi.org/10.1007/978-1-4939-2493-6_1107-1
3. Daly HE (1996) Beyond growth: the economics of sustainable development. Beacon, Boston. ISBN 0-8070-4709-0
4. Ceres (2018) Ceres roadmap 2030. Turning point: corporate progress on the ceres roadmap for sustainability. https://roadmap2030.ceres.org/
5. C2ES (Center for Climate and Energy Solutions). Retrieved from https://www.c2es.org/content/renewable-energy