According to new data released today by the World Health Organization (WHO), up to 80% of urban citizens are regularly exposed to air pollution levels that exceed the WHO limits, causing more than 3 million premature deaths worldwide every year. This periodic survey of 3,000 cities in 103 countries found that urban populations in low-income countries are most affected.
Whilst the findings are alarming, the good news is that cities are taking major strides to tackle air pollution challenges. Here are five ways that C40 mayors are taking action to deliver cleaner air, improve public health and reduce the risks of climate change.
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