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Yiyun 'Ryna' Cui

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Assistant Research Professor, CGS; Co-Director, China Program, CGS

Dr. Ryna Cui is an Assistant Research Professor and Co-Director for the China Program at the Center for Global Sustainability (CGS), University of Maryland School of Public Policy. Dr. Cui is an expert in global coal transition and climate and energy policies in China. She leads the Global Coal Transition Project at CGS that focuses on rapid coal phaseout pathways both globally and in key countries of interest, including China, India, and other coal-heavy economies. As the China Program co-lead, Dr. Cui also manages the development and implementation of CGS's China program portfolio. 

Her current research focuses on coal phaseout and energy transition, global and national long-term mitigation strategies in China, India, and the Unites States with integrated assessment modeling, low-carbon strategies through the "Belt and Road Initiative'', and subnational climate actions. She is currently serving as a contributing author for the Intergovernmental Panel on Climate Change (IPCC) Sixth Assessment Report, focusing on global coal transition. Dr. Cui also holds a joint appointment at the Joint Global Change Research Institute, a collaboration between the Pacific Northwest National Laboratory and the University of Maryland. Her prior research has focused on long-term food security under climate change mitigation, international agriculture trade and food demand, integrated assessment of energy-food-water nexus, and international carbon markets. She holds a PhD in Environmental Policy from the University of Maryland, a Master's degree in Public Policy from the College of William and Mary, and a Bachelor's degree in Management Science and Engineering from Renmin University in Beijing.


Areas of Interest
  • Coal transition; climate change mitigation; China climate & energy policy

CGS is taking a leadership role in research to advance collaborative, innovative climate action and policy through the third installation of its America’s Pledge: expanding our unique research and analysis, strategic engagement and communications to inform the US strategy leading up to 2030.

Learn More about America’s Pledge: Building a Comprehensive American Climate Policy

School Authors: Nathan Hultman, Leon Clarke, Haewon McJeon, Morgan Edwards, Yiyun 'Ryna' Cui, Christina Bowman, Jiehong Lou

Other Authors: Carla Frisch , Kevin Kennedy, Tom Cyrs, Pete Hansel, Paul Bodnar, Michelle Manion , Jessie Lund , Michael I. Westphal, Andrew Clapper , Joel Jaeger , Arijit Sen , Devashree Saha, Wendy Jaglom, Koben Calhoun, Kristin Igusky, James deWeese, Kareem Hammoud, J.C. Altimirano, Margaret Dennis, Chris Henderson, Gill Zwicker, John O'Neill

School Authors: Nathan Hultman, Leon Clarke, Christina Bowman, Morgan Edwards, Yiyun 'Ryna' Cui

Other Authors: Carla Frisch, Kevin Kennedy, Paul Bodnar, Pete Hansel, Tom Cyrs, Michelle Manion, Jessie Lund, Joel Jaeger, Andrew Clapper, Arijit Sen, Devashree Saha, Michael Westphal, Wendy Jaglom , Juan Carlos Altamirano, Maggie Dennis, Kareem Hammoud, Christopher Henderson, John O'Neill, Emily Goldfield