Hey as Pollution is the introduction of contaminants into the natural environment that cause adverse change
Pollution

Pollution can take the form of chemical substances or energy, such as noise, heat or light.

Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants.
Pollution is often classed as point source or nonpoint source pollution.
Types of Pollution
Water Pollution
Air Pollution
Soil Pollution
Thermal Pollution
Radioactive Pollution
Noise Pollution
Light Pollution
Effects of Pollution

Environment Degradation :
Environment is the first casualty for increase in pollution weather in air or water

Human Health :
The decrease in quality of air leads to several respiratory problems including asthma or lung cancer

Global Warming :
The emission of greenhouse gases particularly CO2 is leading to global warming

Ozone Layer Depletion:
Ozone layer is the thin shield high up in the sky that stops ultra violet rays from reaching the earth

Infertile Land :
Due to constant use of insecticides and pesticides, the soil may become infertile.