Environment Pollution All the ingredients that we have around us are jointly known as environment. Environment pollution implies the contamination of the surroundings. Any abnormal change of environment in chemical, physical and biological characteristics in environment is called environment pollution. Environment is the whole system of our existence. Our environment is becoming polluted every day for several reasons. Human beings mainly pollute environment. Massive industrialization is an important cause of environment. Smoke from motor vehicles also pollutes environment. Serious environment pollution occurs in big cities because buses, trucks and cars play in the streets every day and emit smoke. Mills and factories also pollute water. They throw their waste products into rivers and canals. By burning wood and melting pitch for road construction people make more smoke and pollute air. We use pesticide in our crop fields. It also pollutes our environment. Indiscriminate cutting of tre...