There are many different types of pollution that affect our environment. The Earths water is affected by pollutants such as chemicals and medical waste, and the land itself is also polluted with garbage and even more types of chemicals. Some of the worst pollution that affects us daily, however, is air pollution. Here is some air pollution thoughts that should make you hack, cough and start wearing a filter mask. Air pollution is a general term that is used to describe any chemical, biological or other matter that causes changes in the atmosphere. A good example is the pollution caused by large cities, which is also known as smog. Smog is the accumulation of all the dirt and chemical pollutants produced by a city or area, and it can be detrimental to our lungs, other animals, palnts and even the ozone layer high above us. The particularly nasty thing about