Water pollution is the presence of harmful materials in water, such as sewage, dissolved metals, waste from farms, factories and crude oil spilled from oil tankers. The three main substances that pollute water are nitrates from fertilizers, sewage and detergents.
such as bathing and washing clothes near lakes, ponds or rivers add nutrients like nitrogen and phosphorous bodies.This leads to excessive growth of algae on the surface of water. It blocks the penetration sunlight and air, thus reducing oxygen
Fisheries waste water, water animals, reduce the amount down. Water damage caused by toxic chemicals may cause fish death.
Public sewage is spread. Cause epidemics such as cholera, typhoid, dysentery bacteria as a source of mosquitoes, which are vectors of diseases like malaria
So we have a way to combat it, such as switching to solar and wind power, or other methods. When people use alternative forms of energy, these The carbon dioxide released into the environment, the less.