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Case study

Reducing air pollution concentration by 50% in Mexico

Countries and regions
Mexico, Latin America and Caribbean
Action area


Case summary

During the 1980s, Mexico was known worldwide for its air quality problems. Mexico City, in that time, was considered the most polluted city in the world. Nowadays, despite having four times more vehicles, authorities have reduced air pollution concentration by more than 50% through a public policy integrated approach.

The link below includes a package of materials on what enabled this transformation, including a webinar that "discusses the history, public policies and challenges that Mexico has faced in terms of its private vehicle fleet management and how Mexico’s cultural and socioeconomical proximity makes its experience particularly interesting given the possibility of replicability,"; analyses of Mexico's automotive fuel economy policy; and data on air pollution in Mexico City, among others.

Planning and implementation activity
Developing and Implementing Policies and Measures, Linking with the Sustainable Development Goals
Institutions involved

Government of Mexico

Sectors and themes
Transport, Urban, Health
Source details
LEDS Global Partnership

Results supported byUNDPWorld Resources InstituteTransparency partnership