The Conversation Weekly13 Nov 2025

How early climate models got global warming right

Since the 1960s, scientists have been developing and honing models to understand how the earth’s climate is changing. One such pioneer of early climate modelling is Syukuro Manabe, who won the Nobel prize in physics in 2021 for his work laying the foundation for our current understanding of how carbon dioxide affects global temperatures. A seminal paper he co-published in 1967 was voted the most influential climate science paper of all time.

In this episode, we speak to Nadir Jeevanjee, a researcher at the same lab in the National Oceanic and Atmospheric Administration where Manabe once worked, to look at the history of these early climate models, and how many of their major predictions have stood the test of time.

And yet, as climate negotiators gather in the Brazilian city of Belem on the edge of the Amazon for the Cop30 climate summit, the data sources that climate scientists around the world rely on to monitor and model the climate are under threat from funding cuts by the Trump administration.

This episode was produced by Mend Mariwany, Katie Flood and Gemma Ware. Mixing by Eleanor Brezzi and theme music by Neeta Sarl. Read the f ull credits for this episode and sign up here for a free daily newsletter from The Conversation.

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