Water resources are scarce
on earth Currently, the area accounts for about 70% of water surface, but only about 2% of water is suitable for consumption, are considered pure water. Water is considered a resource is used most in the world. The problem is the amount of clean water to mention to everyone in the world is uneven.
Many areas still depend on rain water reserves, but if the climate changes, the water supply from nature is extremely scarcity, water scarcity leads to the living. However, where the floods disaster, floods do destroy natural ecosystems and artificial in the region.
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