There are six main types of pollution: air, water, noise, land, radioactive, and thermal. Air pollution occurs when harmful gases and particulates are released into the atmosphere. Sources of air pollution include vehicle exhaust, industrial processes, and power generation. Water pollution involves contaminating liquid bodies of water with toxic substances from sources like petroleum, chemicals, and sewage. Land pollution deposits solid waste and non-biodegradable materials on soil, altering its chemical composition. Noise pollution has increased due to heavy machinery and vehicles, causing disturbances and health issues to people.

1. POLLUTION Every day , harmful materials are released into the environment as a result of human activities. This is pollution.