Mark Z. Jacobson is a professor of Civil and Environmental Engineering and Director of the Atmosphere/Energy Program at Stanford University. He has published seven books and 190 papers. He received the 2018 Judi Friedman Lifetime Achievement Award. In 2022, he was ranked the world's most impactful scientist in Meteorology and Atmospheric Sciences and #6 in Energy among those first publishing past 1985. In 2023, he was named one Worth Magazine's top 100 globally 'who have made an impact on the world this year.' He was an expert witness in the first US climate trial to win, Held v. Montana, and first world climate case to settle, Navahine v. Hawai'i. He has appeared on the David Letterman Show and co-founded The Solutions Project. His work is the scientific basis of the Green New Deal and 100% renewable energy laws worldwide.