Ten more African cities have signed on to the C40 Clean Air Cities Declaration to improve air quality. C40 is an international group of mayors collaborating to make cities more environmentally sustainable.
In May 2022, Abidjan, Accra, Addis Ababa, Dakar, Ekurhuleni, Freetown, Johannesburg, Lagos, Nairobi and Tshwane joined Durban, the first African city to sign the declaration.
