GEOG 204 Lecture Notes - Lecture 12: Milankovitch Cycles, Ozone Depletion, Carbon Sink
28 Apr 2016
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Document Summary
In the past 15 years it has become the hot debate . Ex: paris 2015 unclimate change conference cp21 cmp11. Regulated greenhouse effect -5 main gases : water vapor, co2 (50% of climate change), While our climate has been remarkably stable for the last 10 000 years, it is also true that climates change. E. g ch4 = approx 20 x"s the heat trapping capability of co2. 2 main causes: burning fossil fuels, (wood coal, oil, natural gas), biomass for energy emissions are co2 and. The goofies, most devastating thing ever contemplated by a canadian government . The debate : climate change is mankind"s defining crisis cbc: the munk debates. Involves trade-offs, no clear winner, not a zero/sum game. Effects are difficult to predict global climate models (gcms) Rate of change will be faster than we have experienced in the past. Loss of many small islands developing states (sids)
