Now, the shortage of water is the main problem that the whole world should recognize for 3 reasons. First, the over water consumption can lead to drought , so we should save the water . For example turning off the faucet while you brush your teeth , growing plant which use a little os water in drought season and drinking all of water in your bottle before throw it. Secondly, the water organizing system which isn't effective can make water shortage problem that effect to the living of people. lastly, deforestation can result in a wide range such as no raining in seasonal, and higher grobal temperature . In conclusion, the 3 main cause of water shortage is the over water consumption, the uneffective water organizing and deforestation.we can get rid of these problem .just be conscious of conserving water