On a physical level we can help to replenish the ground water by creating small water catchments. Digging holes in the ground and building small dams in streams with logs. The idea is not to divert the natural flow of water, just to catch it to allow enough time for some of it to seep into the ground.
Replenishing the ground water will reboot the cycle; there will be more rain and clouds. And as the documentary states, employing people to build small water catchments could reduce unemployment across the world! It is an inexpensive, uncomplicated solution – and we can start right away!
Another issue to support is the decommissioning of dams. There are alternative ways to harness hydroelectric power – such as micro turbines which do not effect the flow of rivers.
Another realistic yet controversial solution is to limit population growth in areas, depending on the available water supply there.
Finally – something that you have heard time and again….DON’T WASTE WATER!
Turn off the tap when you brush your teeth, change to a low flow shower, or limit yourself to 3 minutes, use an economical toilet flush, how about stop hosing your lawn? Water is incredibly precious. We need to use every drop wisely.
Stay aware! Find out where your own water comes from and goes to. If we all start to protect our supply we can prevent serious problems in the not too distant future.
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