Thirty years ago, the nations of the world accepted the "Montreal Protocol on Substances that Deplete the Ozone Layer". The Protocol has limited the release of ozone depleting chlorofluorocarbons (CFCs) into the atmosphere.
Since the 1960s, NASA scientists have been working with NOAA researchers to study the ozone layer, using a combination of satellite measurements, airplane and atmospheric balloon.
Things have improved over the last 30 years since the Montreal Protocol. Thanks to the agreement, the concentration of CFC in the atmosphere has decreased and the maximum ozone has been smaller since its record in 2006.
From the ground up and the space, NASA's science offers a unique perspective of the Earth, helping to identify challenges and find solutions for the benefit of the planet.
Credit: NASA Goddard Space Flight Center / Kathryn Mersmann
Music: Future Generation by Laurent Dury [SACEM]
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Video credits to NASA Goddard YouTube channel