Category: Knowledge

Strength in Numbers: How Cities Are Innovating Through Data to Unlock Ambitious Clean Air Action

Cities around the world are taking ambitious steps to clean the air we breathe, with data playing a central role in accelerating action. "Strength in Numbers" highlights how cities across the Breathe Cities initiative are innovating through data, from low-cost sensors and health impact modelling to citizen science and community engagement, to strengthen decision-making and accelerate healthier, more sustainable urban futures.

Breathe Better: How Leading Cities Have Rapidly Cut Air Pollution

Air pollution remains the largest environmental health risk worldwide, with cities often experiencing some of the worst impacts. But they are also uniquely positioned to drive rapid improvements in air quality. Breathe Cities’ new research analyses air quality trends in 19 cities across 9 countries that reduced toxic air pollution by at least 20%, demonstrating that improvements in air quality are not only possible, but achievable at scale.

Breathing Life into Cities: The Health and Economic Opportunities of Action for Clean Air

Cities are in a unique position in the battle against the “silent killer” of air pollution, experiencing some of the worst impacts. But they are also at the forefront of driving change on clean air. Breathe Cities analysis highlights the opportunities and substantial health and economic benefits for 60+ cities if they follow the WHO’s new air pollution Road Map.