1. 1. UN Sustainable Development Goals. Available from: https://sustainabledevelopment.un.org/. Accessed 2019 Sep 30.
2. Connecting the sustainable development goals by their energy inter-linkages;McCollum;Environ Res Lett,2018
3. Mapping synergies and trade-offs between energy and the Sustainable Development Goals;Nerini;Nat Energy,2018
4. 4. UN Sustainable Energy for All Initiative. Available from: http://www.se4all.org. Accessed 2019 Sep 30.
5. 5. United Nations Economic and Social Council. Special edition: progress towards the Sustainable Development Goals. Report of the Secretary-General. New York (US): United Nations Economic and Social Council; 2019. Document E/2019/68. Available from: https://undocs.org/E/2019/68. Accessed 2019 Sep 30.