The world's megacities are showing signs of air quality improvement, focusing on transportation, industry, waste management and clean energy.
In short:
- Analysis of PM 2.5 levels in 25 megacities reveals significant improvements in air quality, attributed to various pollution reduction strategies.
- Key strategies include cleaner transportation systems, industrial pollution control, efficient waste management, and transitioning to clean energy sources.
- Challenges remain in data collection, funding, and regional collaboration to further enhance air quality and meet WHO standards.
Key quote:
"This is something that's resonating across all regions of the world right now, and it's really exciting."
— Zoe Chafe, Technical Lead for Air Quality at C40.
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