1. Hundreds Gather to Protest… Global Warming!

2. Mr. Jocz’s

3. –International Panel on Climate Change (UN): Human pollutants causing global climate change Nobel Prize, 2007

6. How Warming Occurs Sun waves hit Earth surface  either reflect/absorbed. Incoming UV, outgoing Infrared GGases trap reflected IR light waves  warming

7. GW: Natural process  warmer Earth

8. Greenhouse Gases All trap solar radiation in atmosphere CO 2 Water Vapor CH 4 CFC’s N 2 O (nitrous oxide) SOx Trop. O 3 Significant Seven!!

11. Water Vapor MAJOR greenhouse gas (85-97% of natural warming) Humans don’t affect its concentrations

12. Cloud Cover Cover 60% of Earth; reflect 30% of light White Ice  High Albedo (high reflectivity)

13. Increase in CO 2 Cycling due to seasons Peaks CO 2 : fall  spring: RESP! Troughs CO 2 : spring  fall: PS!

14. 0.5° C increase over 100 yrs Pre I: 280 ppm Post I: 360 ppm

16. Methane CH 4 Emissions Traps 25 x’s more heat than CO 2 Emissions: Anaerobic breakdown of org. material by bacteria in swamps, rice paddies, landfills, intestinal tracts, Also, nat. gas leaks

17. Methane Reduction? Scientists are trying to invent new feeds for cows to reduce the amount of greenhouse gases they produce. http://news.bbc.co.uk/player/nol/newsid_6280000/newsid_6289 500/6289542.stm?bw=nb&mp=wm&news=1&ms3=6&ms_javas cript=true&bbcws=2http://news.bbc.co.uk/player/nol/newsid_6280000/newsid_6289 500/6289542.stm?bw=nb&mp=wm&news=1&ms3=6&ms_javas cript=true&bbcws=2

18. CFCs Can absorb 1500-7000 times more radiation than 1 mol. of CO 2 Very stable (65-135 yrs) Phased out by Montreal Protocol

19. Nitrogen Oxides Emissions:Burning of gas, fertilizer app, feces. Lifespan: 120 yrs Traps 230 times as much as CO 2

20. Sulfur Oxides Emissions: Volcanoes, Coal burning, Smelting 15 x’s stronger than CO 2 Mt. Pinatubo

21. Kyoto Protocol Int. env. treaty 12/11/97, Effective in 2005 Industrialized countries met in Japan to agree to reduce greenhouse gas emissions.

22. #YOLO! No More Kyoto for Us!