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This 3 page Class Notes was uploaded by Gigi on Tuesday November 24, 2015. The Class Notes belongs to GC 170A at University of Arizona taught by E. Bigio in Fall 2015. Since its upload, it has received 25 views. For similar materials see INTRO TO GLOBAL CHANGE in Global Studies at University of Arizona.
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Date Created: 11/24/15
Lecture 22 Stakeholders amp Social Cost of Carbon Tuesday November 24 2015 Wildfires 0 Increase in the number amp size of wildfires across the west recently 0 Associated with severe regional droughts Severe Wildfires 2002 Missionary Ridge Fire C0 Hayman Fire C0 RodeoChediski Fire AZ The Wallow Fire 2011 o 841 square miles 0 Largest ever in Arizona 0 6000 people evacuated o 32 homes destroyed 0 109 million in fire fighting amp damage costs Texas Wildfires 2011 0 Beginning of fire season fires in W Texas 200 homes destroyed 0 End of fire season fires burn in E Texas over 2000 homes destroyed Bastrop County Complex Fire E Texas Factors 1 Sparks from power line ignited the fire 2 Severe drought 3 High winds from nearby tropical storm Consequences o 2000 homes in one weekend 0 2 firefighters killed 0 34 billion in fire fighting costs economic losses timber homes infrastructure Washington Wildfires 2015 0 Lightning strike started 0 Windy conditions spread it o 200 square miles 0 445 million in firefighting costs 0 120 homes 3 fatalities Factors that lead to large wildfires 1 Ignition source lightning 2 Severe regional drought 3 Extreme weatherhigh winds spread fire Relationship of wildfires and global warming 0 Increase in of fires amp warmer summer temperatures 0 Warmer temps lead to earlier snowmelt and longer summer season A1B Scenario most likely because we have global economy cooperation with a priority of economic growth with some investment in renewable energy 0 Mix of fossil fuel amp investment in alternative energy What do we want 0 Global economy cooperation with a priority of environmental solutions similar to solving the ozone hole How can we drastically reduce C02 emissions and reach a B1 scenario 2 degrees Celsius 0 Carbon capture amp storage 0 Afforestation planting trees 0 Huge investment in renewable solar wind 0 Phase out coal Social Cost of Carbon A measure of economic losses related to fossil fuel emissions based on the cost of climate change impacts 0 Damages from hurricanes oods 0 Economic loss due to drought Economic losses are valued at 37 ton of carbon emitted and Americans emit about 18 tons of carbon year 666 year in damages
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