What is the reason of pollution скажи по английски

The phrase "скажи по английски" means "say it in English". The reason for pollution in English can be expressed as:

There are several reasons for pollution, including industrial emissions, vehicle exhaust, deforestation, chemical spills, improper waste disposal, and many other human activities that release pollutants into the environment. Each source contributes to different types of pollution such as air, water, soil, and noise pollution, adversely affecting the health of living organisms and the planet's ecosystems.