causes of environment pollution??

Dear student, Air pollution - causes- factories emitting gases and harmful chemicals, gases emitted from the vehicles, the increased used of machinery. After effects- lung and respiratory diseases, babies born with disabilities, chronic allergy and cough, change in climatic conditions, crops affected. Water pollution - causes - unhygienic methods of excretion, throwing garbage into water bodies, chemicals from the factories that flow into the rivers and lakes, use of insecticide on crops. After effects - the crops are destroyed, large quantities of fish die, people acquiring diseased after consuming the water. Thanks and regards