pollution
The third edition of the International Day of Clean Air for blue skies, which stresses the importance of clean air and the urgency to act to improve air quality and protect human health, will be commemorated on 7 September 2022.
The third edition of the International Day of Clean Air for blue skies, which stresses the importance of clean air and the urgency to act to improve air quality and protect human health, will be commemorated on 7 September 2022.