Learn what air pollution is and how weather and geography affect it! Conduct experiments to test the air that you breathe for pollutants. This kit comes complete with instruction manual, the chemicals and apparatus needed to conduct several tests, such as experiements on the organism-environment relationship, carbon monoxide and dioxide, oxides of nitrogen, hydrocarbons, and ozone, particlates, smoke density, wind-blown particles, and the effect of weather and geography on air pollution.