2.3K views · 184 reactions | In the 1980s, a hole in Earth's ozone layer was discovered. Thanks to the Montreal Protocol, the world took bold action to save our planet. Decades later, the ozone hole is steadily recovering. How did we do it? And what part did space play in it?  https://www.youtube.com/watch?v=mT15w5D6_JM | ESA - European Space Agency | Facebook

28K views · 948 reactions | The Montreal Protocol is international treaty that aims to regulate the production and use of chemicals that contribute to the depletion of Earth’s ozone layer. #Unacademy #Education | Unacademy | Facebook

The Kyoto protocol is an international treaty linked to the United Nations Framework Convention on Climate change (UNFCCC). How does this protocol affect nations and why is it significant for sustainable development? Learn more through this video! #Unacademy #Education | Unacademy