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The workshop introduces 5 studies on Hanoi air pollution
Workshop on "Improving Hanoi's air quality: Updating research and solutions" introduces studies explaining the phenomenon of air pollution in Hanoi over the past time and their sources of emissions.

Photo illustration.

The workshop was organized by the Department of Natural Resources and Environment of Hanoi (DONRE) in collaboration with the World Bank (WB), United States Agency for International Development (USAID), Center for Living and Learning for Environment and Community ( Live & Learn) and experts from the Clean Air Network (VCAP) held on 28/7 to share preliminary research results and update progress in improving air quality in Hanoi.

5 outstanding research results presented at the workshop include:

- ONKK Study on Covid period: A group of international and Vietnamese scientists, Hanoi Department of Natural Resources and Environment and Live & Learn conducted a study to assess the effect of social gap time due to COVID-19 epidemic on quality air, ground station data usage and meteorological information. The study is expected to be completed by the end of July 2020. Presenter: Dr. Ly Bich Thuy, Hanoi Polytechnic University.

- Explanation of ONKK in Vietnam using WRF-Chem model: For the first time, the weather forecast and research model system (WRF-Chem) was developed and verified for meteorological and atmospheric variables of ground monitoring stations in the North to simulate air quality in the North. It can also be used to assess the emission of straw biomass in the summer. The air-changing process over time is visualized by the team. Presenter: Assoc. Prof. Nguyen Thi Nhat Thanh, University of Technology, Hanoi National University.

- Impact of coal power on Hanoi: The Green Innovative Development Center (GreenID), in collaboration with a number of national and international research agencies, has conducted the study "The impact of coal thermal power on air quality and health in Vietnam” from 10/2018 to 6/2020, to consider the contribution of coal power plants to the air pollution situation in Vietnam and the burden of related premature deaths. The study analyzes four scenarios of coal power development in relation to cleaner energy sources. This result also contributes to the revision of the Electricity Planning VIII and the Law on Environmental Protection. Presenter: Mrs. Nguyen Thi Hang, GreenID.

Develop a set of input data to inventory emissions to support the development of a long-term ONKK management policy in Hanoi using the GAINS model: In the framework of the International Institute for Applied Systems Analysis ( IIASA) and Vietnam Academy of Science and Technology, our country has built GAINS model with national data set and allocated to Hanoi. Currently, with the support of the World Bank, consulting firm RCEE-NIRAS is building an input dataset for Hanoi alone and collating with previous figures. The study focused on updating data from waste sources, such as craft villages, residential activities, straw burning, transportation and construction, industry and energy.

- Analyze and identify sources of air pollution for Hanoi City: This study was conducted by the Finnish Meteorological Institute (FMI) in collaboration with Hanoi City to analyze the chemical composition of PM2.5 dust and trends of the climate aims to assess the sources of PM 2.5 fine dust pollution for Hanoi, taking into account the influence from neighboring provinces. This study is part of the Vietnam Air Quality Management project in Hanoi, Bac Ninh and Hung Yen, supported by the World Bank.

The workshop is organized both live and online, for experts and partners in the network. Science and Development will update specific results of the aforementioned studies in the next newsletters.

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