Short-Lived Climate Forcers - MARAMA

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BC Regional Impacts: Arctic• Arctic temperatures increasingfaster than global average (IPCC, 2007)• BC may be significant contributorto Arctic warming and ice meltGlobal vs. Arctic Warming 1822 to 2003Source: Reuters(Reiersen and Wilson, AMAP, 2009; adapted from Quinn 2008)U.S. Environmental Protection Agency – Office of Air and Radiation18
BC Impacts: GlaciersIn the Himalayan region, solar heating fromBLACK CARBON at high elevations may bejust as important as carbon dioxide in themelting of snowpacks and glaciers(Ramanathan & Carmichael, 2008)Western U.S.Himalayas: Source of 14 MajorRivers in Asia Under Threatoto: USGSPho
Page 1 and 2: Short-Lived Climate ForcersMid-Atla
Page 3 and 4: Comparison of Global Average Radiat
Page 5 and 6: Even aggressive CO 2 reductions, ma
Page 7 and 8: Recent SLCF Activities• Conventio
Page 9 and 10: Attaining More Stringent Ozone NAAQ
Page 11 and 12: CH 4 is an O 3 Precursor• Address
Page 13 and 14: U.S. Methane Activities• Voluntar
Page 15 and 16: BLACK CARBON:IMPACTS AND MITIGATION
Page 17: Climate Impacts of BC• BC is most
Page 21 and 22: Global Sources of Black Carbon:(Lam
Page 23 and 24: Mitigation of Black Carbon• Locat
Page 25: Summary of Key Messages fromthis Pr

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