Research

Cities are where many of the sources and impacts of the climate and air pollution crises are concentrated – but, in Europe, they’re also where momentum and innovations are growing the most. 


We produce rankings and analysis on the best design and implementation of these policies. In doing so, we strive to shift the narrative away from acceptance of the dominance of the car in our urban spaces, to a vision of the healthier, safer cities of the future.

July 20, 2022
Low-emission zones are on the rise in cities - but what makes a good one? This briefing provides the 7-step recipe...
July 20, 2022
More European cities are cracking down on polluting cars through the implementation of low- and zero-emission zones. Read our analysis of the most comprehensive LEZ/ZEZ database to date...
October 19, 2022

Quantifying the impact of low- and zero- emission zones

October 17, 2022

School Streets fact sheet

School Streets lead to safer roads and cleaner air around schools - and they're popular too! Find out more in this fact sheet and survey.
September 22, 2022

Car-free days: A proven and popular measure to reduce oil demand

Car-free days are one of the most effective ways to rapidly reduce oil consumption - and they're popular too!
July 20, 2022

The 7 steps to create effective low-emission zones

Low-emission zones are on the rise in cities - but what makes a good one? This briefing provides the 7-step recipe...
July 20, 2022

The development trends of low- and zero-emission zones in Europe

More European cities are cracking down on polluting cars through the implementation of low- and zero-emission zones. Read our analysis of the most comprehensive LEZ/ZEZ database to date...
May 25, 2022

Effective and affordable alternatives to fuel tax cuts

EU citizens could see a rapid cut in their consumption of Russian oil if governments shifted the €16 billion currently earmarked for fuel tax cuts towards clean transport alternatives.
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