Pollution is the mixing of harmful substances in our environment. It is one of the biggest problems in the world today. There are different types of pollution, such as air pollution, water pollution, land pollution, and noise pollution.

Air pollution is caused by smoke from vehicles and factories. Water pollution happens when people throw garbage and chemicals into rivers, lakes, and seas. Land pollution is caused by littering and plastic waste. Noise pollution is caused by loud sounds from vehicles, machines, and loudspeakers.

Pollution is harmful to humans, animals, and plants. It causes diseases, makes the environment dirty, and affects nature. If pollution increases, it becomes difficult for living things to survive.

We can reduce pollution by planting more trees, using dustbins, avoiding plastic bags, recycling waste, and saving water and electricity. We should also use bicycles or public transport whenever possible. Factories should control smoke and treat waste before releasing it into the environment.

We all must work together to keep our surroundings clean and green. A clean environment helps us stay healthy and happy. By taking small steps every day, we can protect our Earth and make it a better place to live for future generations.