Solving the world’s water problems

This is the eBook version of the printed book. This Element is an excerpt from Out of Water: From Abundance to Scarcity and How to Solve the World?s Water Problems (9780131367265) by Colin Chartres and Samyuktha Varma. Available in print and digital formats.   The ?Blue Revolution?: how to overcome the emerging global water crisis that will lead to food crises, unrest, and uncontrolled mass migration   Lack of water for growing food will be one of the 21st century?s most critical issues. If we don?t change how we manage water, the future will consist of increasingly frequent food crises, social and political unrest, and potential mass migrations out of areas most severely affected. We need to consider a ?Blue Revolution.?