| Source and Type of Pollution | City | Country |
|---|
| 153 coal burning plants in this city. Home to the worst air pollution in the world | |
| Complete failure of the proper disposal of lead | |
| Harmful production of chromium, a heavy metal | |
| Worst H20 (Water) pollution in the world due to pesticides and volatile organic compounds | |
| Extreme Lead contamination due to smelting, directly affecting the brain/neurological development of children | |
| Principle site of Russia's mass production of chemical weapons during WWII | |
| High levelsof heavy metals that harm neurological development | |
| Site of the worst nuclear disaster in history | |
| Highest rates of cancer in the world due to the mining and production of mercury | |
| Highest levels of lead in the world | |
Periodic Table
Planets from the Sun
Digits of Pi
