1. What is up with CO 2 ?

2. 1870 2005

3. Temperature is the average kinetic energy

5. Motion and the phases of matter SolidLiquidGas

6. Types of Motion

8. Available and Absorbed Solar Energy

9. O= C =O

10. Greenhouse Gases Infrared Radiation Emitted Infrared Radiation Absorbed by Greenhouse Gases Some Infrared Radiation Emitted to Space Greenhouse Gases Emit Infrared Radiation Up and Down Some Infrared Radiation Emitted to Space Infrared Radiation Absorbed by Earth

11. http://phet.colorado.edu/simulations/sims.php?sim=The_Greenhouse_Effect

13. GapMinder http://www.gapminder.org/

14. Increasing Concentrations of Greenhouse Gases

15. E E

16. % Transmittance 100% Light Single Wavelength 20% Light

23. Atm Concentrations and Warming Gas Pre-1750 (ppb) Current (ppb) Global Warming Potential Increased Radiative Forcing (W/m 2 ) CO 2 280,000383,90011.66 CH 4 7001731250.48 N2ON2O2703202980.16 O3O3 2534n.a.0.35 CCl 3 F00.2444,7500.063 CCl 2 F 2 00.53810,9000.17 Recent Greenhouse Gas Concentrations: cdiac.ornl.gov/pns/current_ghg.html

24. 100 200 300 400 500 1000 2000 5000 10,000 50,000 Wavelength (nm) In a sense, CO 2 closes the window trapping heat!

25. Conclusion More CO 2, then more trapped heat! As Infrared light is absorbed by CO 2, it is emitted up and down equally. The more CO 2, then the more infrared energy send back down to the ground. In a sense recycling, infrared energy. More CO2, more acid, less shell, less shellfish.