1. United Nations. Take Action for the Sustainable Development Goals. 2015. https://www.un.org/sustainabledevelopment/sustainable-development-goals/. Accessed 12 Dec 2021.
2. APEC. 2015 Leaders' Declaration. 2015. https://www.apec.org/meeting-papers/leaders-declarations/2015/2015_aelm. Accessed 9 Sep 2018.
3. UNFCC. Urban Climate Action Is Crucial to Bend the Emissions Curve. 2020. https://unfccc.int/news/urban-climate-action-is-crucial-to-bend-the-emissions-curve. Accessed 8 October 2021.
4. United Nations. 68% of the world population projected to live in urban areas by 2050, says UN. 2018. https://www.un.org/development/desa/en/news/population/2018-revision-of-world-urbanization-prospects.html. Accessed 15 Jul 2020.
5. European Commission. How will climate change affect cities, and how can they take action? 2019. https://urban.jrc.ec.europa.eu/thefutureofcities/climate-action#the-chapter. Accessed 8 Oct 2021.