Future of the Environment

32 years ago the world pledged to fix the ozone layer. And it worked

A photo taken by Expedition 46 flight engineer Tim Peake of the European Space Agency (ESA) aboard the International Space Station shows Italy, the Alps, and the Mediterranean on January, 25, 2016. REUTERS/NASA/Tim Peake/Handout ATTENTION EDITORS - FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. THIS PICTURE IS DISTRIBUTED EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS - TM3EC311KON01

The hole in the ozone layer has shrunk by 4 million square kilometres Image: REUTERS/NASA/Tim Peake

Alex Gray
Senior Writer, Formative Content
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Future of the Environment

Image: NASA/Goddard Space Flight Center Scientific Visualization Studio
Satellite data shows the layer of ozone molecules in the upper atmosphere returning to normal. Image: NASA
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