How Much do Low Emission Zones Improve Air Quality?


Concentrations and source contributions of particulate organic matter before and after implementation of a low emission zone in Munich, Germany(Abstract, R.M. Qadir, G. Abbaszade, J. Schnelle-Kreis, J.C. Chow, R. Zimmermann, Environmental Pollution, April 2013)

Also discussed here: Elemental carbon as an indicator for evaluating the impact of traffic measures on air quality and health (8 page pdf, M.P. Keuken. S. Jonkers, P. Zandveld, M. Voogt, S. Elshout van den, Atmospheric Environment, Dec. 2012)

And here:Harmful traffic pollution falls within Munich low emission zone(Science for Environment Policy, May 30, 2013)
Today we review some research aimed at evaluating the impact of the introduction of a Low Emission Zone (LEZ) in Munich, Germany by restricting high emission vehicles from entering the city core. London’s LEZ combined this vehicle restriction with a cordoned congestion charging which together produced the improvements in downtown air quality noted elsewhere. Results indicate a 60% reduction in traffic particulates and elemental carbon in the LEZ suggesting perhaps that the more difficult introduction of congestion charging may not be worth the spending of municipal political capital in countries such as the US and Canada where this idea is unpopular.

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To see Key Quotes and Links to key reports about this post, click HERE

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