Why is there a drinking water shortage?
If there is so much water on Earth, why is there a shortage of drinking water?
Why is bottled water so expensive? Why don't we purify sea water for drinking? Why is bottled water so expensive in USA? How much water is on earth? What if water on Earth was replaced with heavy water? Why is water consumption so important for the body/mind and how much should we ideally be drinking per day? Why is water consumption so important for the body and mind, and how much should we ideally be drinking per day? Is drinking 2-3 litres of water a day too much? Can we drink heavy water? Why do we use excess water during the hydrolysis? Why can't we convert salt water into pure drinking water in large scale? Is the earth the only planet with water? Why is heavy water? Why do I drink a lot of water? After drinking water, the mere thought that I would not be able to drink for a while makes me thirsty again. What will happen if humans don't drink water? Can we drink 6 litres of water a day? Is the total amount of water on Earth always constant? Why do we sometimes drink water but feel more thirsty? What happens if you don't drink enough water in a day? What would happen if all water was heavy water? How much water on earth is consumable? Why is that when our body needs more water, we aren't always thirsty, yet when out body doesn't need more food, we can become hungry? Why does water help humans lose weight? Why is water wet? How important is water to the genesis of life? What was the water-crisis in the USA? How can we solve the water problem in India? Let's assume we start exploring other planets and we take water from earth. Will this diminish our water supply? (Assume only water source is Earth) Is the amount of water (volume) that was present at the starting of humanity on earth the same as it is now on earth? Why don't we try to convert all the salt water on the earth into fresh water?