🌄 Cleaner air. A study on the early months of #COVID19 lockdowns found lower local emissions of nitrogen oxides dropped global ozone levels to a place experts thought would take ~15 years to achieve. https://t.co/sv5BUExlEu https://t.co/q2OgA0lx3Q
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NASA JPL(@NASAJPL)
NASA Jet Propulsion Laboratory manages many of NASA's robotic missions exploring Earth, the solar system and our universe. Tweets from JPL's News Office.
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