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Analysis finds air-quality justification for CNG vehicle conversion in developing cities, despite negative climate impact

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An analysis by a team in Bangladesh found large air quality and associated health benefits accruing to the residents of Dhaka (the capital of Bangladesh) as a result of the rapid conversion of the motor vehicle fleet to CNG. They used a social cost of carbon of US$45 in 2010 for the calculations.). Credit: ACS, Zia and Tanzila.

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International study identifies 14 key measures to reduce methane and black carbon emissions; reduction in projected global mean warming of ~0.5 °C by 2050

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A study by an international team of researchers, led by Drew Shindell of NASA’s Goddard Institute for Space Studies (GISS) in New York City, has identified 14 measures targeting methane and black carbon (BC) emissions that could reduce projected global mean warming ~0.5°C All 14 would curb the release of either black carbon or methane.

Carbon 257
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EPA report to Congress finds a strong scientific and technical foundation for mitigating black carbon emissions

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The US Environmental Protection Agency (EPA) has submitted its final Report to Congress on Black Carbon , in response to an October 2009 request from Congress to advance efforts to understand the role of black carbon (BC) in climate change. —Report to Congress on Black Carbon. Report to Congress on Black Carbon.

Congress 252
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Study Finds Black Carbon a Significant Factor in Melting of Himalayan Glaciers

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A team of researchers from the US and India has found that airborne black carbon aerosols, or soot, from India is a major contributor to the decline in snow and ice cover on the glaciers in the Himalayan mountains. Black carbon alone contributes at least 30% of this sum. Change in annual linear snow cover from 1990 to 2001.

Carbon 186
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New phase of globalization could undermine efforts to reduce CO2 emissions

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A new study finds that the growth of carbon production from Chinese exports has slowed or reversed, reflecting a “new phase of globalization” between developing countries that could undermine international efforts to reduce emissions. 2018) “China’s “exported carbon” peak: Patterns, drivers, and implications.” trillion) in 2014.

Global 170
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ADB draft report says 3B Asians could become affluent by 2050; significant challenges

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The draft report identifies six key drivers of transformation in the region: technical progress; capital accumulation; demographics and the labor force; the emerging middle class; climate change mitigation and the competition for resources; and the communications revolution. Energy consumption.

Asia 186
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New international Climate and Clean Air Coalition to focus on reduction of short-lived climate pollutants

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The coalition will focus efforts on reducing black carbon, hydrofluorocarbons (HFCs), and methane. The founding coalition partners are Bangladesh, Canada, Ghana, Mexico, Sweden, and the United States, together with the UN Environment Programme (UNEP). Earlier post.). The results were published last month in Science. Earlier post.).

Climate 210