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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 Their paper is published in the journal Science.

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Low-lying and other vulnerable countries calling for fast action on non-CO2 global warming pollutants

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Led by the tiny Pacific island of the Federated States of Micronesia, a growing group of low-lying islands and other vulnerable countries are calling for fast action on the approximately 50% of global warming that is caused by pollutants other than carbon dioxide (CO 2 ). million lives lost each year due to black carbon soot.

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

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Global benefits from full implementation of measures for reduction of short-lived climate pollutants in 2030 compared to the reference scenario. The coalition will focus efforts on reducing black carbon, hydrofluorocarbons (HFCs), and methane. for 2030 and beyond. Source: UNEP. Click to enlarge. Earlier post.).

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ADB Transport Forum: shift to greener transport in Asia key to global sustainability; investment of $2.5T needed by 2020

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Asia must scale up sustainable transport development or face a bleak future of congested roads, pollution, ill health and economic damage, which could have ripple effects around the world, the third ADB (Asian Development Bank) transport forum heard earlier this month in Manila.

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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. Source: EPA. Click to enlarge. Earlier post.).

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UN Environment report says national GHG pledges only bring one-third of reductions needed for Paris Agreement

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The Paris Agreement looks to limit global warming to under 2 ˚C, with a more ambitious goal of 1.5 ˚C If the emissions gap is not closed by 2030, the report says, it is extremely unlikely that the goal of holding global warming to well below 2 ˚C can still be reached. C also on the table. C will already be well depleted by 2030.

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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. Motor vehicles were the major source of air pollution in Dhaka. Credit: ACS, Zia and Tanzila.