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16x9 version optimized for YouTube. Universal Production Music: Evolving Earth Underscore by James Carlin BakerThis video can be freely shared and downloaded. While the video in its entirety can be shared without permission, some individual imagery provided by Pond5.com is obtained through permission and may not be excised or remixed in other products. For more information on NASA’s media guidelines, visit https://www.nasa.gov/multimedia/guidelines/index.htmlComplete transcript available.

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NASA SVS | How NASA Observes Air Quality in DC