Vehicle pollution is making cities around the world unlivable. Some cities have taken steps to curb auto use and emissions, with varying levels of success.
"At a time when most of humanity lives in cities, where do cars belong — especially the old, polluting ones that make city air foul for people to breathe?" ask Somini Sengupta and Nadja Popovich. They examine the efforts in a number of cities to limit and regulate driving as well as what has motivated particular strategies and the outcomes of policy measures.
London was an early adopter of congestion pricing, and the city added additional charges this year in an Ultra Low Emission Zone, which it plans to expand in 2021. "By October 2019, nitrogen dioxide levels in the air had declined by 36 percent compared to February 2017, according to an assessment by the city," note Sengupta and Popovich.
Beijing and New Delhi are two cities that have continued to struggle with poor air quality. Beijing instituted a license plate lottery, among other strategies, and pollution has decreased. "But, the city’s air quality still fails to meet national standards for fine particulate pollution and far exceeds levels the World Health Organization deems safe to breathe," say Sengupta and Popovich.
In New Delhi, measures to address pollution have been hindered by the large increase in the number of motorcycles, cars, and trucks that are belching out emissions, and air quality remains at hazardous levels.
Madrid has faced different roadblocks—namely, political maneuvering playing out around a ban on cars in the city center. Even with measured improvements in air quality, conservatives sought, unsuccessfully, to lift the ban. "The Spanish capital is in the throes of a heated debate about what kind of a city it wants to be, and cars are at the heart of it," write Sengupta and Popovich.
FULL STORY: Cities Worldwide Are Reimagining Their Relationship With Cars
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City of Albany
UCLA Lewis Center for Regional Policy Studies
Mpact (formerly Rail~Volution)
Chaddick Institute at DePaul University
City of Piedmont, CA
Great Falls Development Authority, Inc.
HUDs Office of Policy Development and Research