In the third lecture of the 2020 Christmas Lectures, environmental scientist Tara Shine demonstrates how Earth produces a never-ending supply of oxygen – the raw material for all complex life.
Watch more Christmas Lectures: http://www.rigb.org/christmas-lectures/watch?utm_source=youtube&utm_med…
Dr Tara Shine is an expert in the field of climate change and climate justice, with a passion for communicating her science and her positive vision for the future. Formerly a climate negotiator at the UN and Special Advisor to the Mary Robinson Foundation - Climate Justice and Adviser to the Elders, Tara is the incoming Chair of the International Institute for Environment and Development (IIED). Tara is Co-Founder and Director of the award-winning social enterprise, Change by Degrees, which educates and inspires people at home, at work and in their community to live more sustainably.
https://www.rigb.org/christmas-lectures/2020-planet-earth-a-users-guide…
This Christmas Lecture was originally broadcast on BBC4 on 30 December 2020.
Subscribe for regular science videos: http://bit.ly/RiSubscRibe
The Ri is on Patreon: https://www.patreon.com/TheRoyalInstitution
and Twitter: http://twitter.com/ri_science
and Facebook: http://www.facebook.com/royalinstitution
and Tumblr: http://ri-science.tumblr.com/
Our editorial policy: http://www.rigb.org/home/editorial-policy
Subscribe for the latest science videos: http://bit.ly/RiNewsletter