We need greener transport for healthier cities.
This #WorldCleanAirDay, see how UNDP works with countries and cities to reduce air pollution and greenhouse gas emissions by switching to low-carbon transport—from solar-powered electric buses to cycling.
Nairobi, 7 September 2024 – The world marked the fifth annual International Day of Clean Air for blue skies today with calls for investment in…
Air pollution costs US$8.1 trillion a year. UNEP explains why and highlights how investment can reap benefits for public health, the environment…