POLLUTION

What is pollution?​

Pollution is the introduction of harmful materials into the environment.

Air Pollution:-Air pollution happens When the air becomes dirty due to smoke and harmful gases .

​Water Pollution:- When rivers pass through cities, dirt, mud, plastic, paper, oil, garbage, and chemicals mix in the water, making it water polluted.

​Noise Pollution:- unwanted or excessive sound that can have harmful effects on human health, wildlife, and environmental quality is known as Noise pollution.Any sound at or above 85 dBA(decibels A) is more likely to damage your hearing over time.

​​Land pollution:- Land pollution occurs when trash, compost, and other toxins are dumped on the land, contaminating or polluting it.