The document discusses the various types of pollution caused by firecrackers during Diwali, including air, noise, water, and harm to animals. It notes that firecrackers release toxic gases and chemicals that can cause health issues like asthma, especially in children, the elderly, and patients. The loud noises from firecrackers also cause suffering to animals and pets. The toxic runoff from firecrackers pollutes water sources and harms wildlife. While firecrackers can be enjoyable for some, there are safer and less polluting alternatives that can still celebrate the festival of lights.