Yiyun 'Ryna' Cui

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

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
Building a Comprehensive U.S. Climate Policy

After the U.S. withdrew from the Paris Agreement in 2017, CGS led the analysis of commitments from the more than 4,000 cities, states, businesses, universities, communities of faith, and more who pledged to support the goals of the Paris Agreement in their own capacity. Since the U.S. officially rejoined the Paris Agreement in March 2021, CGS has continued working with U.S. subnational and international partners to deliver analysis that informs how an "all-of-society" ambitious and achievable U.S. climate strategy can drive actionable and feasible policy. CGS informs U.S. climate policy from the local to global through developing integrated modeling and climate scenarios for the federal government, advising on international discussions to ramp up ambition, and collaborating from the bottom-up to move the resources necessary to set and achieve ambitious climate goals.

Learn More about Building a Comprehensive U.S. Climate Policy
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Can updated climate pledges limit warming well below 2°C?

School Authors: Gokul Iyer, Leon Clarke, James 'Jae' Edmonds, Nathan Hultman, Yiyun 'Ryna' Cui, Sha Yu, Haewon McJeon

Other Authors: Yang Ou, Allen A. Fawcett, James R. McFarland, Matthew Binsted, Claire Fyson, Andreas Geiges, Sofia Gonzales-Zuñiga, Matthew J. Gidden, Niklas Höhne, Louise Jeffery, Takeshi Kuramochi, Jared Lewis, Malte Meinshausen, Zebedee Nicholls, Pralit Patel, Shaun Ragnauth, Joeri Rogel J., Stephanie Waldhoff

NGFS Climate Scenarios Portal

School Authors: Leon Clarke, Yiyun 'Ryna' Cui, James 'Jae' Edmonds, Sha Yu, Alicia Zhao

Other Authors: Cornelia Auer, Ryan Barrett, Antoine Boirard, Renaud Concordet, Jérôme Hilaire, Otso Manninen, Thessa Beck, David Bresch, Christoph Bertram, Molly Charles, Dawn Holland, Ian Hurst, Elmar Kriegler, Chahan Kropf, Iana Liadze, Theresa Löber, Franziska Piontek, Jihoon Min, Edo Schets, Inga Sauer, Carl-Friedrich Schleussner, Bas van Ruijven