Summary
Highlights
Water pollution occurs when harmful and toxic substances enter water bodies, degrading water quality. Pollutants dissolve, suspend, or deposit in rivers, ponds, seas, and oceans, harming aquatic ecosystems and contaminating groundwater used for daily activities, including drinking.
Water pollution can be caused by natural activities like volcanic eruptions, animal waste, algae blooms, and flood residues. Human activities are also major contributors, including dumping sewage and garbage into oceans, oil spills, fossil fuel combustion, and the use of chemical fertilizers and pesticides in farming.
Consuming polluted water can lead to severe diseases such as hepatitis, cholera, and other fatal infections. Water pollution also devastates aquatic life, causing the death of fish, crabs, birds, and dolphins, ultimately damaging entire ecosystems and threatening life on Earth.
To prevent water pollution, the primary step is water conservation. This includes taking shorter showers, turning off taps when not in use, and checking for leaks. It is also crucial to pick up trash, especially near water bodies like beaches, lakes, and rivers, and to raise awareness about the issue by sharing information with friends and family.
Only about 1% of the Earth's water is fresh and drinkable; the rest is salty. Between 5 and 10 million people die annually from water pollution-related illnesses. Water is essential for all life, and while humans can survive weeks without food, they can only last a few days without water.