How can we use our scientific knowledge of water to solve the world water crisis?
How do we get other people to care about this issue?
Source: World Water Development Report 4. World Water Assessment Programme (WWAP), March 2012.
Physical water scarcity:
Economic water scarcity:
Wikipedia contributors. "Water scarcity." Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, 30 Apr. 2015. Web. 7 May. 2015.