Links
[1] https://www.weforum.org/agenda/2016/06/why-turning-smog-into-diamonds-isn-t-as-crazy-as-it-sounds
[2] http://www.ids.ac.uk/publication/ten-frontier-technologies-for-international-development
[3] http://opensample.info/full-scale-demonstration-of-air-purifying-pavement
[4] http://eau.sagepub.com/content/21/2/527.abstract
[5] https://sustainabledevelopment.un.org/content/documents/2106Feasibility-Study-for-a-United-Nations-Technology-Bank-for-the-Least-Developed-Countries.pdf