Jun Liu, a PhD student at the College of Environmental Sciences and Engineering in Peking University, Beijing, China, has won the annual Mikhalevich Award for her outstanding research as part of the 2014 Young Scientists Summer Program (YSSP) in IIASA’s Mitigation of Air Pollution and Greenhouse Gases research program.
Could you tell me a bit about yourself? Where are you from and what do you study?
I’m a fifth-year PHD student from College of Environmental Sciences and Engineering in Peking University, Beijing, China. My major is Environmental Sciences. My main fields of scientific interest include source of air pollution, regional air quality modeling, mitigation policy and health effects of atmospheric air pollutants.
Why did you apply to the Young Scientists Summer Program?
For a long time before the YSSP, I had read many excellent research papers on the RAINS and GAINS model. It was developed at IIASA. I hoped to have chance to utilize the model in my research. At the same time, I was so lucky to learn about YSSP application from my supervisors when I was visiting in Princeton University in winter 2013. So I applied for the program.
Please tell me about your research project: What was the question you were trying to answer?
In the background of Russian-China gas deal signed in May 2014, we wanted to discuss and compare the potential air quality benefits for coal substitution strategies between power plants, industrial boilers, and residential cooking and heating activities.
What did you find?
We found that whereas more efforts were directed at the power sector, replacing coal in power sector is actually the least effective strategy to reduce pollutants emissions. Instead, coal substitution in the residential sector achieves the highest potential for emission reduction and air quality benefits.
Why is this research important for policy or society?
As we know, China is facing serious air pollution problems. Replacing coal with natural gas is one of the important strategies to reduce this air pollution. Historically, the power sector is the largest coal consumer and receives highest priority for reducing coal use, but the residential sector is scarcely discussed. It is an urgent time for China to propose a rational and effective distribution plan across different sectors for our limited natural gas resources.
My study shows that informed decision making should direct strategies to maximize the air quality and human health benefits, rather than focusing on the control of coal consumption. From this perspective, the residential sector is more promising than power sector and industrial boilers.
How are you planning to continue this research when you return to IIASA?
I plan to finish writing papers for the natural gas scenarios and continue with other policy relevant work, such as potential role of agricultural ammonia emission in air pollution in China.
What was your favorite aspect of the YSSP and IIASA?
First, The YSSP encourages an interdisciplinary perspective and integrated method. Second, we have lots of opportunities to improve our research through discussions with our research teams, our supervisors at IIASA, and experts in other fields who are also at IIASA. Also we can communicate and learn from other YSSPers to improve our work. The three-month length of the program is highly productive and effective.
What was your favorite moment of the summer?
There were many moments: I particularly enjoyed the many discussions with my supervisors and my colleagues in my research program, the unforgettable trip with YSSPers to Hallstatt, Asia Day, and the awards ceremony.
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