Short-Lived Climate Forcers - MARAMA

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BC Report to Congress: Schedule• External peer-review draft of the report scheduled to bereleased March 18, 2011– Peer review will be conducted by a panel of experts from EPA’sCouncil on Clean Air Compliance Analysis in Washington, D.C. onApril 18-19, 2011– Draft report will be available at EPA’s Science Advisory BoardWebsite, athttp://yosemite.epa.gov/sab/sabpeople.nsf/WebCommittees/COUNCIL• Final report scheduled to be released later in 2011U.S. Environmental Protection Agency – Office of Air and Radiation24
Summary of Key Messages fromthis Presentation• Near-term climate change and long-term climate change arerelated: both problems require attention now, and addressingnear-term change means addressing SLCF• SLCF are air pollutants: their climate impacts should beconsidered in air quality management along with health andecosystem impacts.• Black carbon is a clear winner for both climate and public health,as long as careful attention is paid to co-pollutants issue• Methane is an O 3 precursor (like NOx, VOC, and CO)– Controlling methane could provide significant benefits for health,ecosystems and climateU.S. Environmental Protection Agency – Office of Air and Radiation25
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 and 18: Climate Impacts of BC• BC is most
Page 19 and 20: BC Impacts: GlaciersIn the Himalaya
Page 21 and 22: Global Sources of Black Carbon:(Lam
Page 23: Mitigation of Black Carbon• Locat

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