Pollution has become a serious problem with the rise of crowded industrial cities emitting large amounts of pollutants. While pollution has always existed, modern technology and industrialization have made it threaten life by making air, water and soil toxic, impacting both human health and the environment. However, reducing pollution completely would require stopping many useful things like cars, factories and fertilizers that people rely on, so the problem is complex. Gradual reduction of pollution from various sources is needed through technological innovation, government regulation of businesses and cooperation between individuals and organizations.