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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

Green Car Congress

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 of global ambient PM 2.5

Ozone 230
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Study finds some improved cookstoves may emit more black carbon pollution than traditional mud cookstoves

Green Car Congress

BC concentration varies significantly for repeated cooking cycles with same stove (standard deviation up to 50% of mean concentration) even in a standardized setup, highlighting inherent uncertainties in cookstove performance. Within the ND class, only microgasification stoves were effective in reducing BC.

Pollution 231