1. Overview Three weeks of related activities dealing with greenhouse warming and energy –CO 2 ArcView (today) –Climate Negotiation Role Play (next week) –Energy Arc View (after Spring Break) Today –Assess the global dimensions of CO 2 –Begin preparation for Climate Negotiations

2. Trace Gas Primary SourceODPGPCurrent Conc. CFC-11 Refrigerant/AC, Plastic, Foams, Aerosols 1.00.40 About 3 CFC-12 Refrigerant/AC, Plastic, Foams, Aerosols 1.01.00 CFC-113 Refrigerant/AC, Plastic, Foams, Aerosols 0.80.3 – 0.8 Halon 1211 Fire extinguishers3.0? Halon 1301 Fire extinguishers10.00.80 Carbon Tetrachloride Industrial Processes1.10.05 Methyl Chloroform Industrial & Nat. processes0.10.01 Nitrous Oxide Fossil fuels--0.016310 Methane Biogenic activity, fossil fuels--0.0011700 Carbon Dioxide Fossil fuels--0.00005350000 Carbon Monoxide Motor vehicles-- 150 ODP = ozone depletion potential (CFC-11 = 1.0) GP = greenhouse potential (CFC-12 = 1.0) Why care about CO 2 ? Trace Gas Primary SourceODPGPCurrent Conc. CFC-11 Refrigerant/AC, Plastic, Foams, Aerosols 1.00.40 About 3 CFC-12 Refrigerant/AC, Plastic, Foams, Aerosols 1.01.00 CFC-113 Refrigerant/AC, Plastic, Foams, Aerosols 0.80.3 – 0.8 Halon 1211 Fire extinguishers3.0? Halon 1301 Fire extinguishers10.00.80 Carbon Tetrachloride Industrial Processes1.10.05 Methyl Chloroform Industrial & Nat. processes0.10.01 Nitrous Oxide Fossil fuels--0.016310 Methane Biogenic activity, fossil fuels--0.0011700 Carbon Dioxide Fossil fuels--0.00005350000 Carbon Monoxide Motor vehicles-- 150

3. Trop 03 1.To expand our knowledge of global patterns of CO 2 emissions 2.To increase our comfort exploring ArcView Data Sets

4. Climate Negotiations Role Play AOSIS – Chris, Whitney, Karen, Mark EU – Jordan W., Chester, Sam, John JUSCANZ – Nick, WangKi, Lauren, Jordan Z. G 77 – Megan, Jimmy, Marvin, Dawn, Amy Goal: Negotiate an agreement to reduce greenhouse gas emissions to 7.5% below 1990 levels. $