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Final Postcard From Poznan

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16 December 2008, 4:20 PM

Tom Turner

Final Postcard From Poznan

Poznan Logo At the just-concluded U.N. climate negotiations in Poznan, Poland, Earthjustice attorneys Martin Wagner and Erika Rosenthal advocated for rapid action to reduce emissions of black carbon, now considered one of the most effective strategies to slow near-term global and Arctic warming.

This could prevent catastrophic, irreversible tipping points such as the melting of Arctic sea ice and the Greenland ice sheet, and buy time for implementation of critical strategies to cut long-lived greenhouse gas emissions.

Recent studies identify black carbon, a component of ultrafine particulate air pollution, as a critical climate warming agent both in the atmosphere and when deposited on snow and ice. Technologies exist to rapidly reduce black carbon emissions from diesel and coal sources, and fast-track mitigation efforts will have an immediate cooling effect. As black carbon is a leading cause of mortality from air pollution and accelerates the melting of glaciers that provide fresh water for millions, controlling these emissions is critical to promote sustainable development, improve human health and save lives.