The pollution of natural waters

The pollution of natural waters

Water is one of our key natural resources; we must protect it vigorously.




water pollution, environmental pollution, contamination, pollutant, water surface, seawater, river, surface water, underground water, environmental damage, environmental problems, self-purification, chemical, waste, hazardous waste, waste formation, eutrophication, toxic substance, water protection, settlement, environment, environmental protection, agriculture, industry, society, nature, geography

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water pollution, slowly decomposing chemicals, eutrophication, without light natural vegetation dies, rotting vegetation removes oxygen, Floating solids that enter the water sink to the bottom others dissolve or become diluted.
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