Gregory Nemet's research focuses on understanding the process of technological change and the ways in which public policy can affect it. He teaches courses in policy analysis, energy systems, and international environmental policy. Supported by an Andrew Carnegie Fellowship, Nemet published a book in 2019, "How Solar Energy Became Cheap: A Model for Low-Carbon Innovation," about how solar photovoltaics provide a model for low carbon innovation. He was awarded the inaugural World Citizen Prize in Environmental Performance by APPAM in 2019 and is currently a lead author for the Intergovernmental Panel on Climate Change 6th Assessment Report.