Green Car Congress

DECEMBER 6, 2017

Exposure to air pollution on city streets is enough to counter the beneficial health effects of exercise in adults over 60, according to new research led by Imperial College London and Duke University. Environmental measurements were also collected, to track pollution levels and volunteers’ exposure.

London 150

London Pollution Environment Exhaust 150

Green Car Congress

AUGUST 9, 2012

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

Los Angeles 285

Los Angeles Gasoline Ozone 2002 285

Green Car Congress

SEPTEMBER 7, 2009

They calculated emissions for ten cities (or metropolitan regions), which vary in population from 432,000 to 9,519,000; comparisons are in per capita terms. London has the highest emissions for air transportation at 3.12 Authors of the study included: Christopher Kennedy, University of Toronto. t e CO 2 /cap., t e CO2/cap.)

Emissions 199

Emissions Global Gas Los Angeles 199

Green Car Congress

SEPTEMBER 6, 2015

A collaboration led by researchers at Leiden University in The Netherlands has launched a Europe-wide citizen campaign— iSPEX-EU 2015 —to use a smartphone add-on and app to measure atmospheric aerosols (tiny particles), resulting in a broad-based data set with high spatio-temporal resolution. iSPEX add-on. Click to enlarge.

2015 150

2015 Pollution Netherlands Light 150