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CanAIRy Alert

mexico-city-skyline
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CityAQ

Bogotá
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Beijing Low-Emission Zone

Roads with buses, cyclists and pedestrians in Beijing.
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Resource Watch

Satellite image from Nasa
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This website serves as an information portal about eutrophication—the over-enrichment of water by nutrients such as nitrogen and phosphorus—a leading threat to water quality around the world. Explore our interactive map and learn more.