April 1, 2016. Panel speaker: "Decarbonizing China's Power Sector", Sustainable Development Research Symposium. Columbia University.

September 30, 2015. Invited remarks: "Coal markets in China" for "Coal in 21st Century", Brookings Institution. Washington D.C.

August 7, 2015. Invited speaker: "Decarbonizing China’s Power Sector: Potential, Prospects, and Policy" for ETA Seminars, Lawrence Berkeley National Laboratory, Berkeley.

June 23, 2015. Panel speak: "Achieving high penetration of renewables to decarbonize China's power sector" in the TMP Graduate Consortium 2015. Carnegie Mellon University, Pittsburgh.

January 15, 2015. Invited panel speaker: "Regional Modeling Considerations for China" in the Workshop on International Electricity Modeling organized by Energy Information Administration. Washington D.C.

November 19, 2014. Speaker: "Decar­boniz­ing China’s Power Sec­tor: Poten­tial, Prospects, and Policy" in the ERG Colloquium. UC Berkeley. 

August 18, 2014. Panel speaker: "Is Your City Really Sustainable? A Tale of Jinan City Using Quantitative Low Carbon Eco-City Tools" in 2014 ACEEE Summer Study on Energy Efficiency in Buildings, Pacific Grove.

June 17, 2014. Speaker: "China’s Ability to Achieve National Energy Objectives Depends on Coordination of Infrastructure and Policy Initiatives" in International Association for Energy Economics 2014 Annual Conference. New York City. 

June 12, 2014. Invited panel speaker: "Low-Carbon Development Comprehensive Solution Package for China: Guidelines, Indicators, and Tools" in the "National Low Carbon Day - The Second Shenzhen International Low-carbon City Forum". Shenzhen.  

June 5, 2014. Speaker: "Decarbonizing China’s power sector in long-run demands aggressive carbon policy and infrastructure expansion" in the International Energy Workshop 2014. Beijing.

May 20, 2014. Speaker: "Coal power bases in northern China" in China's Borderland as a Territorial Question conference. Berkeley.

April 12, 2014. Chair and speaker: "A Provincial-scale Wind Resource Assessment for China Based on a Decade of Hourly Wind Speed Data" in AAG 2014. Tampa, Florida.

February 11, 2014. Guest Lecture: "Addressing China's Coal Dilemma with Efficiency and Renewables", Stanford University. Stanford. 

September 9, 2013. Guest Lecture: "The Future of Coal Under Climate Constraint and Its Policy Implication", College of Environmental Science and Engineering, Peking University. Beijing. 

September 8, 2013. Invited speaker on "Addressing Perverse Incentives in Climate Policy Design: Lessons from Chinese Wind CDM" in the 2013 International Young Scholars Workshop on Environmental Economics, Peking University. Beijing. 

April 2, 2013. Invited speaker on "Addressing Perverse Incentives in Global Climate Policy" in the INET Young Scholars Workshop organized by Institute for New Economic Thinking. Hong Kong. 

October 24, 2012. Speaker on "Low Carbon Eco-city Development: Practices, Indicators and Tools" in the U.S.-China Eco-Cities Mayoral Exchange at Lawrence Berkeley National Laboratory. Berkeley.

February 22, 2012. Panel speaker with Alex Wang, Jessica Kao, and Linden Ellis on Chinese Environmental Policy and International Cooperation sponsored by the Berkeley Energy & Resources Collaborative (BERC). UC Berkeley.

February 16, 2012. Guest lecture: "China’s Coal and Power Conflict and Its Implications to Global Energy and Climate Policy". Stanford University China Energy System (CEE 276F) course. Stanford.

May 30 - June 2, 2011Selected as Aspen Environment Forum Scholars to join the Aspen Environment Forum 2011. Aspen, Colorado. 

March 18, 2011. Invited speaker on China perspective, “Policy Responses to Climate Change and Energy Security Post-Cancun: Implications for the Asia-Pacific Region’s Energy Security”. The Energy Studies Institute, National University of Singapore. Singapore.

February 11-12, 2011. Invited speaker on Energy Efficiency Strategy in China, “Transatlantic Energy Efficiency Workshop”. Berkeley.

October 25, 2010. Invited speaker: “Developing Clean Energy Markets: Toward China-Japan-U.S. Trilateral Cooperation”. The Center for Northeast Asian Policy Studies, Brookings Institute and the Economic Research Institute for Northeast Asia. Washington D.C.

September 17-18, 2010Invited speaker: “China's Environment Challenges in the Greatest Socio-economic Transformation”. China Scope at MIT: Understanding China's Economy and Society. Boston.

July 26-28, 2010. Faculty lecture: “Drivers for CCS in China and Implications for Climate Change Policy”. Research Experience in Carbon Sequestration 2010 (RECS 2010), University of New Mexico. Albuquerque. 

January 28, 2010Guest lecture: “China’s Coal and Power Conflict and Its Broad Impacts”. Stanford University China Energy System (CEE 276F) course. Stanford.

December 5-13, 2009. Participant, UNFCCC CoP15/MoP5 in Copenhagen, Denmark. Carbon capture and storage, reform of the clean development mechanism (CDM), Chinese energy markets, carbon markets etc. Interview of Chinese climate policy feathered on the front page of Xinhua News.

July 22, 2009. Roundtable contributor, "Roadmap for US-China Collaboration on CCS", Asia Society. Washington D.C.  

February 9-13, 2009. Chair of China Case Discussion: China’s Coal Market Case Study. PESD Annual Winter Working Seminar: Global Coal Market. Stanford.  

June 26 - July 1, 2008. Participant, Re-Designing Workshops on “A zero carbon energy system” and “A perfect climate agreement – plan C”.  Tällberg Forum 2008: How on Earth can We Live together?. Sweden.  

March 14, 2008. Speaker: “China’s Climate Challenge and Policy”. Climate Change around the World. East Asia Program, Cornell University. Ithaca.

December 7-8, 2007. Moderator of section “When Abundance becomes Scarce: Managing China’s Water Supply.” China's Environment: What Do We Know and How Do We Know It?, UC Berkeley. Berkeley.

October 5-7, 2007. Invited participant, and Speaker in Environment Protection Panel. Asia 21: Young Leaders Summit. Singapore.  Moving Forward Together: Inclusive and Sustainable Growth in the Asia-Pacific.  

July 8-15, 2007. Invited participant, speaker; Visited climate change related organizations/agencies in Berlin, Bonn and Potsdam. China-Germany NGO exchange on Climate and Energy. Germany.  

June 26 - July 2, 2007. Coordinator, China Youth Team with 8 Chinese students. China Express, a special China Section in the Forum.  Tällberg Forum 2007: "How on Earth can We Live together?". Sweden.  

October 24-26, 2006. Co-organizer with Society of Learning, Tsinghua Management School, and MIT Sloan Management School.  The Innovators’ Workshop: "What can China do for the World in the 21st Century?" Beijing. 

July 25-27, 2006. Participant, Energy and Megalopolis Development. Shanghai. 

May 23-24, 2006. Invited speaker in “The Media, Public Information, and Climate Change” section. China-US Climate Change Forum, UC Berkeley. USA.

November 24 - December 9, 2005. Youth Delegate, a lecture to the Youth Summit,  COP11/MOP1. United Nation Framework of Climate Change Conference. Montreal, Canada.   

June 5-6, 2004. Group speaker, "Organic Food-Green Rhythm". 1st International Forum on the Leapfrog Development of China. Beijing.