Climate Change Source: http://www.epa.gov/climate/climatechange/science/indicators/ghg/index.html Source: http://www.epa.gov/climate/climatechange/science/indicators/ghg/index.html Source: http://www.epa.gov/climate/climatechange/science/indicators/ghg/index.html Source: http://www.epa.gov/climate/climatechange/science/indicators/ghg/index.html Source: http://www.epa.gov/climate/climatechange/science/indicators/ghg/index.html ACCORDING TO THE 1,325 SCIENTISTS ON THE INTERGOVERNMENTAL PANEL ON CLIMATE CHANGE, “Warming of the climate system is unequivocal.” Source: 2007 IPCC Report “Human influence on the climate system is clear, and recent anthropogenic emissions of greenhouse gases are the highest in history. Recent climate changes have had widespread impacts on human and natural systems.” The 10 Hottest Years on Record 1880-2013 Source: NASA/GISS/NOAA More frequent droughts… More intense storms… (Shelburne, 2011) (Hingham, 2011) More heavy precipitation events… (Boston, 2010) Increased flooding… (Quincy, 2010) How will climate change affect Boston? Source: http://www.neoscape.com/images/splash/11_BostonSkyline_Photo_WEB.jpg Source: Union of Concerned Scientists: Confronting Climate Change in the U.S. Northeast Source: A Climate of Progress: City of Boston Climate Action Plan Update 2011 Tufts Current 100 year flood zone Projected 100 year flood zone (higher emissions scenario) Source: Sparking Boston’s Climate Revolution Who are the 6 Americas? Source: Yale/George Mason University Alarmed Concerned Cautious Disengaged Doubtful Dismissive 2008 n=2,129 18% 33% 19% 12% 11% 7% 2010 n=1,001 10% 29% 27% 6% 13% 16% May 2011 n=981 12% 27% 25% 10% 15% 10% Sept. 2012 n=1,058 16% 29% 25% 9% 13% 8% Nov. 2013 n=830 16% 27% 23% 5% 12% 15% Highest Belief in Global Warming Most Concerned Most Motivated Lowest Belief in Global Warming Least Concerned Least Motivated Source: Yale/George Mason University