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

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Particulate air pollution continues to cut global life expectancy by nearly two years as progress in some countries counterbalances worsening air quality in others, according to the Air Quality Life Index (AQLI). High pollution across the entirety of Bangladesh makes it the most polluted country in the world. —Michael Greenstone.

Pollution 243
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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.

Carbon 257
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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 founding coalition partners are Bangladesh, Canada, Ghana, Mexico, Sweden, and the United States, together with the UN Environment Programme (UNEP). for 2030 and beyond. Source: UNEP.

Climate 210
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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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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 mass, B: organic carbon fraction (OC/PM), C: elemental carbon fraction (EC/PM)), global warming commitment (D: GWC-Kyoto, E: GWC-All), and F: fuel consumption. emission factor (mean (95% confidence interval)) for CNG-2S (14.2 Credit: ACS, Reynolds et al. Click to enlarge.

Gasoline 287
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ADB draft report says 3B Asians could become affluent by 2050; significant challenges

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The draft report says that as the global economy’s center of gravity shifts toward Asia, the region could account for about half of global output in 2050, up from the current 27%, as well as half of global trade and investment. If these events occur, Asia would account for only 32%, or $61 trillion, of global GDP in 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 2021) “Potential health risks due to in-car aerosol exposure across ten global cities.” El-Gendy, A.,

Malawi 243