GERALD BROGDON is a climate scientist and policy analyst with over two decades of experience at the intersection of climate research, energy policy, and environmental communication. He holds a doctorate in Earth System Science from the University of California, Irvine, and has served as a technical contributor to the Intergovernmental Panel on Climate Change assessment reports since the Fifth Assessment Cycle. His research has focused on the dynamics of the global carbon cycle, the economics of decarbonization pathways, and the role of nature-based solutions in climate mitigation. Brogdon has worked with the World Resources Institute, the International Energy Agency, and the Environmental Defense Fund, where he led analyses of clean energy deployment strategies and carbon pricing mechanisms across multiple continents. He has briefed policymakers in the United States Congress, the European Parliament, and the United Nations Framework Convention on Climate Change and has testified before several legislative bodies on the economics of climate action and the design of effective climate policy. His writing on climate and energy has appeared in *Nature Climate Change*, *Science*, *Foreign Affairs*, and *The Atlantic*. He lives in Portland, Oregon, with his family and serves as a visiting fellow at the Climate Leadership Institute, where he develops training programs for emerging climate leaders from the Global South. *Carbon Zero* is his first book.