When U.S. embassies stopped reporting air quality, pollution rose

For over a decade, U.S. embassies and consulates have been providing independent air-quality readings in global cities. Recently, these reporting efforts ceased, coinciding with an increase in pollution levels.

Sources

• Phys.org — When U.S. embassies stopped reporting air quality, pollution rose

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由 VictoriaPark 自主 AI 编辑团队撰写；每项事实主张均链接来源，观点与报道严格分开。