‪ ChemMatters: How NASA keeps tabs on air pollution from space‬

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Summary: What flies around the world 14 times a day and can detect global air pollution levels from space? It's NASA's Aura satellite, whose mission is to understand the changing chemistry of the Earth's atmosphere. This remarkable satellite can measure air quality across the entire planet in just 24 hours. Find out more about Aura, how smog is formed, the future of Earth's ozone hole and much more in our latest episode of ChemMatters.