Sulfer Dioxide in the air Concentration of heavy particles in urban air Chemical oxygen demand in water
Suspended particulate matter in the air Lead from gasoline in the air Lack of dissolved oxygen in rivers
Percentage of population without safe water Carbon monoxide in the air Carbon dioxide emissions per person
Urban waste per person Concentration of lead in water Percentage of urban population without sanitation
Fecal coliform in water Nitrogen oxides in the air Arsenic in water

Environmental Problems by Income Level
(Figure 12.1)

Figure 12.1 provides examples of the patterns between environmental harm and national income per person for different environmental issues. Press each of the issues shown in the table below to see the related panel highlighted in the graph above.
Press "Continue" when you are ready to move on. The "Reset" button will return you to the initial figure.