NASA | Human Fingerprint on Global Air Quality (VIDEO)

NASA/Goddard Space Flight Center

Caption

Using new, high-resolution global satellite maps of air quality indicators, NASA scientists tracked air pollution trends over the last decade in various regions and 195 cities around the globe. The United States, Europe and Japan have improved air quality thanks to emission control regulations, while China, India and the Middle East, with their fast-growing economies and expanding industry, have seen more air pollution.

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NASA

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