Pollution
From Wikipedia, a free encyclopedia written in simple English for easy reading.
Pollution is where something is where it is not supposed to be, and causes some sort of damage or problem. For example:
- Air pollution is where there are things in the air that are harmful, such as harmful smoke from factories.
- Light pollution is unwanted light, such as the light of cities which makes it hard to see the stars.
- Noise pollution is unwanted noise, such as the sound of cars in a city.
- Water pollution is where there are things in the water that are harmful, such as crude oil spilled from a shipwrecked tanker.