w88 casino News Network (Reporter Zeng Yifan)12month8日13:30,"Professor Fan Liangshu's Special Lecture in the General Education Lecture Hall - Beijing Smog from the Perspective of Urban Geography" in the Bo Xue Building602Held in the classroom. This lecture is hosted by the Academic Department of the Student Union of the Youth League Committee of the w88 casino of International Economics and w88 and is open to all students in the w88 casino. It aims to provide students with an in-depth understanding of the sources, impacts and corresponding solutions of haze from the perspective of urban geography. Professor Wu Chengzhong from the w88 casino of Public Administration of the w88 casino attended this lecture.
It is reported that Fan Liangshu is a master's tutor at North China Electric Power University, dedicated to environmental sociology and youth ideological and political education. He is in "Haze City: Beijing"PM2.58771_8823

Professor Fan Liangshu’s lecture
The lecture started with multiple smog-themed videos, briefly introducing the nature and sources of smog, and at the same time arousing the students' empathy for the depressing and gloomy smog. Professor Fan Liangshu first listed official data and emphasized the current severe situation of Beijing's air quality being unqualified for a long time, with short intervals and serious problems. At the same time, he said that due to air flow, Beijing and many surrounding cities have common air environment problems.
Fan Liangshu summarized the history of Beijing's urban environment changes in chronological order based on historical data, and compared it before and after, and concluded that the water area and the flow of the rivers flowing through it dropped sharply. At the same time, he said, these changes caused the air to become more polluted by reducing plant mucus secretionPM2.5Content increased. Fan Liangshu said that the ever-expanding ring space structure has gradually transformed Beijing’s air environment into a state of decline from the city center to the suburbs.
Fan Liangshu used a large number of historical events and life examples to illustrate the problem during the lecture, helping students understand the professional urban geography knowledge of Beijing's water changes. At the same time, he used comparisons with the cities of Hebei, Wuhan, and Tianjin to explain in detail Beijing's special urban geographical environment characteristics, natural gas-dominated energy characteristics, and the special air environment problems resulting therefrom.
Fan Liangshu summarized the reasons for the growing number of private cars based on the development process of population mobility in cities and the changes in people's living and living habits. At the same time, he said that vehicle exhaust is the main source of inhalable particulate matter, and traffic congestion and vehicle flow have jointly caused the serious problem of smog in Beijing.

Professor Fan Liangshu answers students’ questions
Law student Zhang Wenbo raised the issue of the government's responsibilities and means to control urban smog. Fan Liangshu said that the government can improve the concentration of education, medical and other resources in Beijing, "thereby easing traffic pressure, reducing vehicle exhaust, and improving air quality." At the same time, he also admitted that dissatisfaction among car passengers is also a major reason for excessive traffic flow and serious exhaust emissions.
Regarding the question about the impact of smog on human health raised by Ren Xiaozhi, a student from the w88 casino of Insurance, Fan Liangshu answered the relevant professional knowledge in detail on the one hand, and said frankly: "Because there is no complete literature survey data, specific conclusion data cannot be drawn." Fan Liangshu's professional and rigorous answer left a deep impression on the students present.