
Dr. Michael Mann on Climate Science Under Siege and Why It Matters Now
Published: July 22, 2025
Duration: 47:43
Dr. Michael Mann is Presidential Distinguished Professor of Earth and Environmental Science at the University of Pennsylvania. He also serves as Director of the Penn Center for Science, Sustainability, and the Media, and Vice Provost for Climate Science Action and Policy.
Dr. Mann first entered the public consciousness in the late 1990s with his "hockey stick graph," a reconstruction of Earth’s climate history over the past 1,000 years. The graph became both a cornerstone of climate science and a lightning rod for controversy. Since then, he has published more than 200 peer-reviewed papers, co-founded realclimate.org, and written fi...