Essay on causes of air and water pollution 800 words
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Water pollution
Water is an essential natural element that helps humans to survive on Earth. Our body constitutes 60 percent of water.
Water pollution is linked to the word contamination. It refers to the presence of impurities and harmful elements in the water. The polluted water is not fit for drinking and is harmful to living beings such as animals, birds, and human beings. Water pollution is a source of many deadly diseases that cause harm, diseases, and even kill human civilization.
Water pollution leads to the destruction of the environment and all of its components. We need clean water for our survival, and it is our responsibility to conserve it.
>>>>> Reasons for water pollution
•Industrial Waste.
•Sewage and Wastewater.
•Mining Activities.
•Marine Dumping.
•Accidental Oil Leakage.
•The burning of fossil fuels.
•Chemical fertilizers and pesticides.
•Leakage From Sewer Lines.
√ We need to perform sewage treatment
Stage 1: Screening
Stage 2: Primary treatment
Stage 3: Secondary treatment
Stage 4: Final treatment