The impacts of climate change that probably worry people the most are irreversible changes that affect the entire world, such as a collapse of the west Antarctic ice sheet, shutdown of the global thermohaline circulation, loss of the Amazon biome, or a melting of Arctic permafrost.

Sudden, unpredictable and irreversible changes can happen in response to a gradual warming. What is known about these risks at 1.5°C, 2°C and higher levels of warming?

This lecture was recorded by Myles Allen on 5th March 2024 at Barnard's Inn Hall, London

The transcript and downloadable versions of the lecture are available from the Gresham College website:
https://www.gresham.ac.uk/watch-now/tipping-points

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Climate Tipping Points in Oceans, Ice, Forests - Myles Allen