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Water pollution
Aisha Alnuaimi
Introduction
Around 71% of the earth's surface is covered by water; it is considered as the source of survival by all living organisms. Water pollution is one of the dangerous and widespread forms which is a major developing global problem. furthermore, water pollution has been considered as the leading cause of death.
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What is water pollution?
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Water pollution happens when a toxic, harmful substance releases into the lakes, oceans, rivers, and groundwater which diminishes the quality of water and put living organisms lives in danger.
What are the Causes of Water Pollution?
Human Causes
Natural Causes
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*Sewage: sewage that contains harmful bacteria is flushed straight into streams and rivers.
*Accidental oil leakage: huge amount of oil caused by ships enters into the ocean and does not dissolve with water.
*Industrial effluents: the used waste water and industrial waste material is discharged into rivers and ocean.
*Erosion in water caused by rainfall and runoff on a slope.
*High amount of toxic components in the soil.
What are the Effects of water pollution?
On the environment:
It harms biodiversity and the aquatic ecosystem
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On human health:
lot of diseases results from water pollution, and it has been considered as a main cause of death nowadays.
Solutions
1. Waste-water treatment:
2. Proper sewage treatment:
it's a chemical process that removes pollutants from waste-water.
A system that cleans around 90% of the sewage pollutant load.
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3. Anti-pollution Laws and Policies
4. Individual Efforts and Educative Campaigns