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Dr. Michael E. Mann is a Presidential Distinguished Professor of Earth & Environmental Science at the University of Pennsylvania with a secondary appointment in the Annenberg School for Communication. He is also director of the Penn Center for Science, Sustainability and the Media (PCSSM). 

Mann is the author of several books including his most recent work, The New Climate War, which shows how fossil fuel companies have waged a thirty-year campaign to deflect blame and responsibility and delay action on climate change, and offers a battle plan for how we can save the planet. To learn more about the book, click here

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My ultimate red lines for COP28
Open letter from the climate system to Sultan Al Jaber, President of COP28
3 December 2023

Dear Sultan Al Jaber,