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Climate Q Notes: 1. What to say to skeptics: IPCC 4 over t (1995 statement -> 2007) 2. Oceans have absorbed: ~1/2 of CO2 emitted ~80% of heat (air would be 40°F warmer) 3. Warming avg .1°c/decade last 3: .2°c/decade 4. "Target" (post IPCC): 2°c total above pre-indust. ~450 ppm CO2 5. Home use of E: Elect ~34% Heat ~33% Refrig ~8% Heating H2O ~15% Avg C Footprint of American ~30,000#/yr (2x Eur) 6. Use of E (Global) ~1/3 Trans. 1/3 Home/Office 1/3 Manufacturing Global: ~85% of E = fossil fuels