As the nature is playing a spoilsport here, it is a very tricky problem. There are many factors involved, and there is no single solution to address it. The primary solution to our water issues is in fixing what we eat. Contrary to popular myths, it is not our domestic water usage or industrial water usage for Coke and other industries that form the primary water consumption. It is agriculture. According to the figures released by Food and Agriculture Organisation of the UNO, 91% of all the available fresh water is used in agriculture, and this has not changed much over time ( http://www.fao.org/nr/water/aquastat/countries_regions/IND/ ). Producing 1Kg of rice requires 2,497 litres of water, and producing 1Kg Meat needs 15,415 litres of water.( https://www.theguardian.com/news/datablog/2013/jan/10/how-much-water-food-production-waste ). On the other hand, what we eat has changed dramatically over the years. We have been consuming a lot of water intensive foods of recent. We ...