New international Climate and Clean Air Coalition to focus on reduction of short-lived climate pollutants

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The founding coalition partners are Bangladesh, Canada, Ghana, Mexico, Sweden, and the United States, together with the UN Environment Programme (UNEP). Such pollutants together account for approximately one-third of current global warming, have significant impacts on public health, the environment, and world food productivity. The US Environmental Protection Agency (EPA) addresses these pollutants through programs that protect public health and the environment.

EPA report to Congress finds a strong scientific and technical foundation for mitigating black carbon emissions

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positive or negative—and magnitude of net climate forcing from BC emissions), currently available scientific and technical information provides a strong foundation for making mitigation decisions to achieve lasting benefits for public health, the environment, and climate. Most of this infrared radiation passes through the atmosphere, but some is absorbed by GHG molecules like CO 2 , methane, ozone and others. Key policy-relevant scientific uncertainties related to BC.