Resources

To learn more about the water crisis in Africa:

https://thewaterproject.org/water-crisis/water-in-crisis-south-africa

http://africanbusinessmagazine.com/sectors/infrastructure/south-africas-dirty-water-crisis/

http://www.charitywater.org/whywater/

To learn more about water purification:

https://www.sciencedaily.com/terms/water_purification.htm

http://www.enviroalternatives.com/watermethods.html

https://www.drinkmorewater.com/water-purification-methods

http://www.practicalsurvivor.com/waterfiltration