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

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Impact pathway approach for modeling policy interventions in (a) air quality and (b) climate impacts. However, CNG conversion was apparently detrimental from a climate change perspective, as CH 4 emissions increased. Climate Change Conversions Emissions Health Natural Gas

2013 121

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 climate change benefit is estimated for a given year (2050) and human health and crop benefits are. Climate Change Emissions Policy

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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.

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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Circle areas are proportional to values for (A and B) climate change, (C and D) human health (values for population over age 30), and (E and F) agriculture. Tropospheric ozone and black carbon (BC) contribute to degraded air quality and global warming.

2012 113

European Parliament calls for fast action to cut non-CO2 climate forcers

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The European Parliament is calling for fast action to reduce non-CO 2 climate forcers including black carbon soot, hydrofluorocarbons (HFCs), methane, and ground-level ozone, which together are responsible for nearly half of climate forcing. Because these climate forcers are short-lived, reducing them produces a fast climate response. Action on HFCs and black carbon could begin within 2-3 years and be substantially under way within 5-10 years, say MEPs.

2011 78

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. In turn, the growth of CO 2 emissions embodied in Chinese exports has slowed or reversed, while the emissions embodied in exports, such as textiles, from less-developed regions like Vietnam and Bangladesh have surged. China Climate Change Emissions

2018 65

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. However, these observations are too incomplete to be used in climate models.) “ We may be underestimating the amount of black carbon by as much as a factor of four ,” Menon says.

2010 68

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

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Without a change in current transport development patterns in Asia, global carbon dioxide emissions and fuel prices will keep rising, with consequences for climate change, energy security, and economic growth.

2012 99

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. One of the UK’s leading climate scientists has presented new research findings on the increasing potential for a 4 degrees Celsius (7.2 °F) Dr Richard Betts, Head of Climate Impacts at the UK Met Office Hadley Centre, presented the findings at a special conference called “ 4 degrees and beyond ” at Oxford University. Tags: Climate Change

2009 76

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 ). Among the non-CO 2 pollutants are hydrofluorocarbons (HFCs), methane, tropospheric ozone, and black carbon soot. The next round of UN climate negotiations begins in Cancun today.

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

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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. and THC, less CO than PET-4S) and climate benefits (lower fuel consumption, less GWC than CNG-2S).

2011 123

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. 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.

2011 68