1. Warming caused by cumulative carbon emissions towards the trillionth tonne;Allen;Nature,2009
2. Climate System Analysis Group. (n.d.). Big Six Monitor - Current and Projected State of the Western Cape dams. Retrieved April 2, 2019, from http://cip.csag.uct.ac.za/monitoring/bigsix.html.
3. DEWA. (2018). DEWA sustainability report 2018. Dubai Electricity & Water Authority.
4. Water Outlook 2018 Report,2018
5. Avoiding “Day-Zero”: a testbed for evaluating integrated food–energy–water management in Cape Town, South Africa;Ding,2019