China’s aggressive air‑quality policies have cut fine‑particulate concentrations in many cities, but uneven enforcement and ongoing industrial emissions mean the battle against pollution
April 8, 2026
Air pollution in Mexico City is a persistent climate and public‑health crisis driven by vehicle and industrial emissions trapped in a high‑altitude basin,
March 29, 2026
In 2025 New York City’s air is a complex mix of fine particles, nitrogen oxides, ozone and other pollutants, driven mainly by traffic and energy
March 13, 2026
The Biden administration reinstated California’s stricter vehicle‑pollution standards, overturning Trump rollbacks and setting a nationwide benchmark for cleaner air, reduced greenhouse‑gas emissions, and
March 5, 2026
Africa’s air quality crisis, driven by rapid urbanisation, reliance on biomass, and climate‑induced weather changes, threatens health, ecosystems and development across the continent.
March 4, 2026
Beijing met China’s state air quality standards for the first time in 2021, a milestone driven by stricter policies, cleaner technologies, and active
February 23, 2026
September 2, 2026
September 1, 2026
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