- Shah, Anup. “Poverty Facts and Stats.” Global Issues. 07 Jan. 2013. Web. 30 Sep. 2018. <http://www.globalissues.org/article/26/poverty-facts-and-stats>.
- https://www.statista.com/chart/3384/the-global-pyramid-of-wealth/
- https://rwer.wordpress.com/2018/04/22/global-income-distribution-1800-1975-and-2010/
- https://youtu.be/KLfO-2t1qPQ
- Visualization of top forces shaping the global future: https://www.visualcapitalist.com/the-8-major-forces-shaping-the-future-of-the-global-economy/
- Trees absorb 66% of human produced carbon dioxide. (Guardian) https://www.theguardian.com/environment/2019/jul/04/planting-billions-trees-best-tackle-climate-crisis-scientists-canopy-emissions