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ICL, CMU study associates PM2.5 air pollution in US with >30,000 deaths and reduced life expectancy

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Air quality in the US may be linked with increased mortality and reduced life expectancy according to new research from Imperial College London and the Center for Air, Climate and Energy Solutions at Carnegie Mellon University. The amount of this fine particle pollution in the US has declined since 1999. The current US annual PM 2.5

Pollution 247
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Mayors of 12 major cities pledge to procure only zero-emission buses from 2025; major areas to be zero-emission by 2030

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The mayors of London, Paris, Los Angeles, Copenhagen, Barcelona, Quito, Vancouver, Mexico City, Milan, Seattle, Auckland and Cape Town have pledged to procure only zero-emission buses from 2025 and ensure that a major area of their city is zero emission by 2030. Reduce the number of polluting vehicles on city streets.

Emissions 236
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NOAA, partners find about 98% decline in VOCs concentrations in LA Basin over last 50 years despite 3x increase in use of gasoline and diesel

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A scatter plot of CO, as a tracer for pollution, versus CO 2 , as a tracer for the amount of combustion, for 2002 and 2010. The magnitude of the drop in VOC levels was surprising, even to researchers who expected some kind of decrease resulting from California’s longtime efforts to control vehicle pollution. ppbv/ppmv to 10.7

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Study links ambient PM2.5 and ozone specifically caused by vehicle exhaust emissions to ~361,000 premature deaths worldwide in 2010 and ~385,000 in 2015

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The urban areas with the highest number of transportation-attributable air pollution in 2015 were Guangzhou, Tokyo, Shanghai, Mexico City, Cairo, New Delhi, Moscow, Beijing, London, and Los Angeles. Ambient air pollution is the leading environmental health risk factor worldwide, contributing to 3.4

Ozone 230
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ARCADIS Sustainable Cities Index: US cities held back by transportation, environmental factors

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The largest US cities—New York, Los Angeles and Chicago—score best in economic factors but are hindered by poor transportation infrastructure, lack of green spaces and diminishing affordable housing, according to the inaugural Sustainable Cities Index by ARCADIS, a leading global natural and built asset design and consultancy firm.

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City of Bogota, Columbia launches electric taxi pilot; part of C40-CCI EV Network

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Bogota’s project will improve local air quality and noise pollution. The transportation sector is the largest and fastest-growing source of urban CO 2 emissions in the Latin American region, as more people become dependent on motorized transport.

Taxi 311
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Study on Greenhouse Gas Emissions from Global Cities Highlights Importance of Geophysical and Technical Factors

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The cities/metro areas studied were: Los Angeles County; Greater Toronto; Geneva Canton; Greater Prague; Cape Town; Denver City and County; New York City; Greater London; Barcelona; and Bangkok. The next two highest cities are also both North American: Los Angeles (13.0 t e CO 2 /cap.) and Toronto (11.6

Emissions 199