The network of mayors from 96 of the leading world cities (C40) met in Paris just before the start of the Olympics and launched the new air quality initiative called “It’s In the Air”. This campaign will run until the 7th September 2024 (the World Clean Air Day) and will celebrate worldwide clean air policies such as clean air zones (many cities across the glob), street closure and bike rides (Seattle), community workshops (Bogota).
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