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Slides for Communicating IPCC IPCC Working Group II Summary For Policymakers: Impacts, Adaptation and Vulnerability April 6, 2007 www.ucsusa.org Mean Sea Level Relative to 1990 (inches) Coastal structure must account for rising seas 15 10 5 0 -5 -10 -15 1900 1925 1950 2000 1975 http://ncpa.com/generation-plants/2.html Year SF Bay sea level risen ~ 7 Inches over last century “Cities that currently experience heat waves are expected to be further challenged by an increased number, intensity and duration of heat waves during the course of the century, with potential for adverse health impacts..” IPCC, FAR 2007 North America section California Heat waves Summer 2006 in California --~ 160 deaths - greater than 25,000 cattle dead - impact on agricultural crops - impacts on energy supply and demand Projections Higher Warming Range (8-10.5 °F) Medium Warming Range (5.5-8 °F) 5 4 Lower Warming Range (3-5.5 °F) 4-6 times as many heat-related mortality 3-4 times as many heat wave days 2.5-4 times as many heat-related mortality 2-4 times as many heat wave days 2-3 times as many heat-related mortality 2-2.5 times as many heat wave days Sources: “Midwest suffers as heat bears down” Carla Johnson, Associated Press, appearing in Houston Chronicle, July 31, 2006 (July 21 total + 163). “California's Cattle Death Toll Surpases 25,000” USAgNet, July 31, 2006.. California Climate Change Center 2006 California Climate Change Scenarios Report Produced by California Climate Change Center in collaboration with UCS Eighteen papers have been released involving researchers from: Scripps www.climatechoices.org, www.energy.ca.gov, Or www.climatechange.ca.gov Institution of Oceanography, UC Berkeley, UC Davis, Santa Clara University, LBNL, LLNL, US Forest Service, Oregon State University, Union of Concerned Scientists State Agencies: ARB, DWR, and CEC. Slide from California Air Resources Board presentation January 22, 2007 AB 32—California Global Warming Solutions Act (2006) • Economy-wide GHG emission reduction to 1990 levels by 2020 (about a 30%) • California Air Resources Board—lead agency. California EPA and Climate Action Team will oversee multi-agency coordination. • Legislature may also play role through budget process or through legislation to require certain regulations AB 32 Implementation Slide from California Air Resources Board presentation January 22, 2007 Communicating With the Media • Write a letter-to-the-editor (respond to stories out today) • Monitor local news for climate contrarians and respond with letter-to-the-editor • Make a call today to your newspaper’s environmental reporter and offer to help with background information or make a statement. •Meet with an editorial board of your local paper Tips for Interviews Remember your audience Before talking to a reporter, develop some main messages and talking points Keep it simple Frame it in human terms Materials & Resources on UCS Website: • IPCC Process Backgrounder, IPCC Flyer • UCS brochure on key findings of WGI. WGII brochure available for download in a week • UCS ppt presentation on key findings of WGI. WGII ppt slides available for download in about a week. • SSI members will get an email notifying you when the WGII materials are available IPCC Process www.ucsusa.org/global_warming/science/the-ipcc.html UCS IPCC Synthesis Materials (SSI password-protected site) www.ucsusa.org/ssi/ipcc Tips on media and talking to policy makers www.ucsusa.org/ssi California Climate Impacts www.climatechoices.org For questions, to receive materials, and tell us what you are doing to amplify coverage of climate issues in California, email [email protected] WATER •Many rivers that derive water at their source from melting glaciers or snow will have earlier peak runoff in Spring and an overall increase in run-off, at least in the short term.** •The temporary increase in water flows will not always be welcome. For example, glacier melt in the Himalayas will increase flooding and rock avalanche risks, while flash flood risks will increase in inland areas in Europe.*** Temperatures are Relative to Today •Global average temperature increase in these slides is expressed as temperature rise above today. •Add 0.8 degrees Celsius to convert these to temperature rise above pre-industrial (about 1750) levels. •The numbers and figures in the summary for policymakers uses temperature rise above 1990 levels which is 0.6 degrees Celsius above preindustrial levels. Thank you! Questions Links for US regional impacts: •Northeast: http://www.climatechoices.org/ne/index.html •Great Lakes: http://www.ucsusa.org/greatlakes/ •California: http://www.climatechoices.org/ca/index.html •Gulf coast: http://www.ucsusa.org/gulf/ •Iowa: http://www.ucsusa.org/global_warming/science/climate-change-inthe-hawkeye-state.html. •Alaska: http://www.ucsusa.org/global_warming/science/arctic-climateimpact-assessment.html. References •The Summary for Policymakers released February 2, 2007, was the first contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change (the Working Group I technical report is titled Climate Change 2007:The Physical Science Basis). Available at www.ipcc.ch. •The Summary for Policymakers released April 6, 2007, was the second contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change (the Working Group II technical report is titled Climate Change 2007:Impacts, Adaptation, and Vulnerability). Available at www.ipcc.ch. •For more background on IPCC history and process, visit www.ucsusa.org/global_warming/science/the-ipcc.html. •For 4 page handout on WG1 that can accompany this presentation go to http://www.ucsusa.org/global_warming/science/ipcc-highlights1.html. The IPCC based its projections on six emission scenarios, running each one through sophisticated climate simulation programs. A1B A1FI A1T Economic A1 Governance Global B1 Development Environmental A2 B2 Local Adapted from Arnell et al. (2004). Global Environmental Change, 14:3-20 Population at 2100 A1 Economic Governance Global B1 Development Environmental A2 B2 Local Adapted from Arnell et al. (2004). Global Environmental Change, 14:3-20 Gross Domestic Product Growth at 2100 A1 Economic Governance Global B1 Development Environmental A2 B2 Local Adapted from Arnell et al. (2004). Global Environmental Change, 14:3-20 Energy Use at 2100 A1 Economic Governance Global B1 Development Environmental A2 B2 Local Adapted from Arnell et al. (2004). Global Environmental Change, 14:3-20 Technological Change at 2100 A1B A1T Economic Country A Country B Global Governance A1FI B1 Development Environmental A2 Country C B2 Local Adapted from Arnell et al. (2004). Global Environmental Change, 14:3-20 NOAA Washington Washington Post Projected Changes at the End of the 21st Century Source: IPCC Climate Change 2007: The Physical Science Basis—Summary for Policymakers. Change in Precipitation for 2090-2099 relative to 1980-1999 Dec – Feb Scenario A1B More Dry More Wet Source: IPCC Climate Change 2007: The Physical Science Basis—Summary for Policymakers.