We create pollution from all sorts of places including CFC's that can be found in air fresheners or deodorants. This is particularly harmful as it causes a tremendous amount of damage to the air.(1) There are a number of pollution factors including noise pollution.These substances are detrimental to people and other living things.Pollution occurs when the environment becomes overloaded beyond the capacity of these normal processing systems.(2) In an undisturbed ecosystem, all substances are processed through an intricate network of biogeochemical cycles, such as the nitrogen and carbon cycles. During these cycles, substances are taken up by plants, move through the food chain to larger and more complex organisms, and when the latter die, are decomposed (broken down) into simpler forms to be used again when they are taken up by plants.(2)