In this Climate Chat episode, we interview returning guest René van Westen on his latest Atlantic Meridional Overturning Circulation (AMOC) research, including his research that shows the recent sudden shift of the Gulf Stream is an indication of pending AMOC collapse. Dr. Westen is a postdoctoral researcher at Utrecht University in the Netherlands. René is the author of a number of recent scientific papers on AMOC including the following:

Abrupt Gulf Stream path changes are a precursor to a collapse of the Atlantic Meridional Overturning Circulation:

https://pmc.ncbi.nlm.nih.gov/articles/PMC12945690/

Substantial Risk of 21st Century AMOC Tipping even under Moderate Climate Change:

https://arxiv.org/abs/2407.19909

Collapse of the Atlantic Meridional Overturning Circulation in a Strongly Eddying Ocean-Only Model

https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2024GL114532

Deep Learning based reconstructions of the Atlantic Meridional Overturning Circulation confirm twenty-first century decline:

https://iopscience.iop.org/article/10.1088/1748-9326/add7f0/meta

Changing European Hydroclimate under a Collapsed AMOC in the Community Earth System Model (preprint):

https://egusphere.copernicus.org/preprints/2025/egusphere-2025-1440/

View our previous Climate Chat interviews with Dr. Westen (highly recommended!):

AMOC Collapse Research Update with René van Westen

https://youtube.com/live/cBaRscaCBHU

AMOC Collapse: Timing & Impacts, with Climate Scientist René van Westen

https://youtube.com/live/xwcXF3TyWS8

René's home page: https://www.uu.nl/staff/RMvanWesten

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Link to the Climate Chat AMOC Collapse Playlist:

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Dan Miller has been giving talks around the world on the need for urgent climate action for over 20 years. He is co-founder of The Roda Group, a climate-tech venture capital group, and he serves as an advisor for other climate funds and climate-focused non-profit groups. He started Climate Chat in 2021 on Clubhouse and added YouTube in 2023.

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Leon Simons is a climate scientist based in the Netherlands. He was a co-author with James Hansen on the 2023 "Global Warming in the Pipeline" paper that discussed the recent acceleration in global warming. Leon's work has focused recently on changes in aerosol emissions from ships and the impact of those changes on climate change. You can access Leon's research writings here:

https://www.researchgate.net/profile/Leon-Simons

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Erscheinungs­datum: 17.4.2026, 00:48:46