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After air, the next most vital thing for our survival is water. While at the moment we have enough water for our needs, a time is likely to come when our water supply runs out and we have to buy water at a price similar to fuel. This is a situation which already exists in some parts of the country, and ‘water wars’ are a common occurrence. The solution, which some people have implemented, is to save and store rainwater.
Other episodes for this season