200 different scientist from different countries said the most concerning issue with the world today is water shortage. Humans have access to 0.8% of the earths water. The demand for water within the next two decades is supposed to increase 40%. This shows their is not going to be enough water to support our needs. Water is not only a demand for people to drink but it takes 1,000 tonnes of water to create a ton of wheat. Their is simply just not enough water for our worlds needs.