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AQLI: new data reveals little progress globally in reducing air pollution over the last two decades

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Nearly a quarter of the global population lives in four countries in South Asia that are among the world’s most polluted: Bangladesh, India, Nepal and Pakistan. High pollution across the entirety of Bangladesh makes it the most polluted country in the world. —Michael Greenstone. China began a “war against pollution” in 2013.

Pollution 243
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Study of emissions from CNG- and gasoline-fueled autorickshaws suggests measurements and data, not assumptions, should drive policy

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Fuel-based particulate matter emission factors (A: PM 2.5 emission factor (mean (95% confidence interval)) for CNG-2S (14.2 This study measured a comprehensive set of emissions relevant to AQ [air quality] (PM 2.5 Credit: ACS, Reynolds et al. Click to enlarge. The mean fuel-based PM 2.5 g kg -1 (6.2-26.7)) g kg -1 (0.3-0.9))

Gasoline 287
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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. emissions in 2005. Earlier post.).

Congress 252
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New international Climate and Clean Air Coalition to focus on reduction of short-lived climate pollutants

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US Secretary of State Hillary Clinton announced the Climate and Clean Air Coalition to Reduce Short-Lived Climate Pollutants, a new global initiative to seize the opportunity of realizing concrete benefits on climate, health, food and energy resulting from reducing short-lived climate pollutants. for 2030 and beyond. Source: UNEP.

Climate 210
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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 °F) by 2050, as well as improving human health and agriculture.

Carbon 257
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ADB draft report says 3B Asians could become affluent by 2050; significant challenges

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It is in Asia’s best interest to encourage and invest in innovation and clean technology to maintain its impressive growth momentum, the draft report says. Asia’s long-term competitiveness will depend heavily on how it controls the intensity of its resource use, including water and food, and manages its carbon footprint. —Asia 2050.

Asia 186
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Study finds economic losses due to health burdens caused by in-car PM2.5 exposure inversely proportional to per capita GDP

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Surrey’s Global Centre for Clean Air Research (GCARE) set out to investigate whether the amount of PM 2.5 Surrey’s Global Centre for Clean Air Research (GCARE) set out to investigate whether the amount of PM 2.5

Malawi 243