"There are numerous ways to approach air pollution. s may think of how contaminants in the air affect living things. Within biology, the subdisciplines vary in their interests. s are often interested in how exposure to air pollutants affect biodiversity and overall ecosystem health. s are concerned about the diseases associated with various air contaminants. ... s are interested in how the exposure and effects of air pollutants differ in time and space. They may observe a and associate this with a source of air pollution. Or, they may observe a change in disease occurrence over time that tracks with changes in the type and amount of pollution released in an area."