1. Environmental Issues Everything you wanted to know; and some you probably didn't!

2. Causes of Human Overpopulation Parents having more than 2 children. Improvements in medicine. –People who couldn’t previously have children now can. –More children live long enough to reproduce.

3. Global Warming/Green House An increase in atmospheric gases, traps heat in and causes a gradual increase in the average yearly temperature on earth.

4. Green House Gases Carbon Dioxide – (Most abundant greenhouse gas) Released primarily by burning fossil fuels. (Coal, Oil, Gasoline, etc.) Methane Gas – (Most effective greenhouse gas) Released primarily by landfills and flatulent cows. Nitrous Oxide – Released from the exhaust of cars

5. Acid Rain Rain Water with a pH lower than 5.5. Caused primarily by burning gasoline and coal. Coal releases sulfur oxides creating sulfuric acid Gasoline releases nitrous oxides creating nitric acid.

6. Human Causes of Endangered Species Hunting for fashion and luxuries Over hunting for food. Intentional extermination Unintentional poisoning Habitat destruction / deforestation Pollution Exotic species introduction.

7. Effects of Human Overpopulation Global Warming- The more people we have… … the more fossil fuels burned … the more landfills and cattle needed … the more cars

8. Effects of Human Overpopulation Acid Rain- The more people we have…...the more cars we drive …the more consumer goods we manufacture …the more electricity we need

9. Effects of Human Overpopulation Endangered species - The more people we have…...the more land we need …the more pollutants we produce …the more desire for fashion and luxuries