Water – A Precious Commodity in the 21st Century

IMF takes a look at water management challenges:

http://www.imf.org/external/pubs/ft/sdn/2015/sdn1511.pdf

Related: NASA satellites indicate massive depletion of underwater aquifers

http://www.washingtonpost.com/blogs/wonkblog/wp/2015/06/16/new-nasa-studies-show-how-the-world-is-running-out-of-water/