This chart shows the current crisis in the United States and the likely outcome of water shortages in each state. http://www.businessinsider.com/americas-about-to-hit-a-water-crisis-2015-4
"A global 'water crisis' looms large for many developing countries. Managing the world’s water supplies involves navigating the conflicting needs arising from economic growth, poverty, food security, political stability and climate change".
This diagram shows the current water crisis all around the world and the sub challenges created by the water crisis. http://competitiveness.in/author/amitkapoor/
Part 3: Brazil
The water crisis in Brazil has become a significant problem over the last few years. Because of the massive import and export trade constructed in Brazil a significant amount of water is lost each year.