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Write the impact of overpopulation on water resources.

Resources can be classified as renewable and non-renewable. Renewable resources are those resources that will get renewed and replenished through physical, chemical and mechanical processes. Even though water is a renewable resource and can be replenished able, nearly 60% of all the fresh water sources are under threat by pollution. The main reason for this is the increasing population. Nearly 95% of the sewage is let into rivers in developing countries from the discharge from factories and other chemical pollutants. All the river systems in the developing countries are under the threat of pollution from sewer waste. Increased pollution of water resources results in the pollution of surface and underground water. Pressures building on water resources has created tension in users. The upcoming conflicts may be due to the shortage of potable water.