In an article by the Economist, they discuss the current shortage of water throughout the globe. According to the article,
Farming, which accounts for some 70% of human water consumption, offers the best opportunity for thrift. Repairing leaks and better irrigation in poor countries could help reduce wastage by up to 70%, as could switching to less thirsty crops in arid regions.
The article is also accompanied by a great graphic, showing the areas of high water scarcity around the world. The good news is, Canada has no areas of water scarcity. The bad news is that there’s quite a bit of scarcity throughout the rest of the world.