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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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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.

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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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8 development banks commit to provide more than $175B to scale up support for sustainable transport

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Rapid motorization is creating more congestion, air pollution, traffic accidents and greenhouse gas emissions—especially in developing countries. Global CO 2 emissions from the transport sector are projected to increase nearly 50% by 2030 unless significant changes are adopted. —ADB President Haruhiko Kuroda.

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Hadley Centre: Average 4 C Warming Could Happen Within a Human Lifetime, With Even Greater Warming in Many Regions

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Comparison of surface temperature projections from the high-end emissions scenario, without carbon cycle feedbacks. F) rise in global temperatures if the current high emissions of greenhouse gasses continue. F) rise in global temperatures if the current high emissions of greenhouse gasses continue.

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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.

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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. vehicle emissions standards, phasing out of leaded petrol, etc.), Credit: ACS, Zia and Tanzila.