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Smog control needs to be preceded by relevant legislation. China improved its dedicated laws, regulations and emission standards, while introducing new ones, preventing and controlling air pollution and providing critical support for smog control. But the key to smog control and air-quality improvement lies in eliminating the root causes and scientifically understanding what and how air pollutants are formed, so that they may be prevented and controlled.

雾霾治理,立法先行。 中国陆续出台和完善了一系列法律、制度和排放标准,制定了专项大气污染防治法规条例为雾霾治理提供了重要保障。但治理雾霾、改善空气质量的关键在于根治源头,科学地了解空气污染源头的组成成分和其形成过程,从源头防治。

China is resorting to technology to tackle smog and achieve its environmental-protection targets.


Professor Jiang Jingkun, Deputy Director of the State Key Joint Laboratory of Environment Simulation and Pollution Control
Once we have had these tools, we took two hours to do the measurement. We did measurement in Beijing and also in Tibet, in Shanghai as well, and in Wudang Mountains. Some measurement we did was in the relative polluted environment in comparison we did in a clean environment, like in Tibetan and Wudang Mountains. So by doing the comparison, we can see how the formation are different in different regions. We started to work on this about ten years ago. Before we work on it, the whole community in the world, we have no tools to measure them.


Advanced science and technology and big data applications allow us to avoid a traditionally rigid management model in online monitoring, differential management and staggering peak production. Data also makes pollution containment more acurate and efficient.


We may by no means sacrifice the eco-environment for temporary economic development. We strive to maintain economic growth while effectively controlling pollution.


I do believe that one of the things that China has going for that could help to speed up progress is a real embrace of technology. But quite a bit of progress that's made in the last few years in reducing emission, some people say that it's simply due to an economic slowdown.


When you talk about this slowing down, actually, in China in recent ten years, the decrease is growth rate's decrease. But it is still a growth. You see, Beijing's GDP is going up which means the activity is increasing, and the total generation of the pollutants should have been increased. But the actual situation is the total emission is decreasing.



We will never gonna win if the only way that we're gonna deal with pollution is to take it outside the economy. We have to deal with it within the economy, because we live within the economy.


In China, in different region, we say that environment action will help to improve the economy pattern much healthier, not only for environment parts, but also for market competition.



To me, it's they're sort of not, there isn't really that breakpoint, because we're still having some kind of impact. It's like saying, you know, I'm gonna go on a diet, I'm gonna lose ten pounds. But if at the end of the diet, I go back to my old way of eating, I'm gonna gain that ten pounds back. So you know you really have to sort of change your lifestyle. I think it is the same way when it relates to the air pollution. We can use control technology to get to a certain point. But then we really have to sort of change the fundamentals about the way that we live on this, right?


Yeah, fully I agree with you. We have a large amount of work to do for the future improvements.


Only by persevering in scientific control may the environment and economy develop in harmony. After five years of efforts, China achieved emission-reduction results that took developed Western countries decades to attain. China's efforts in this regard once again draw global attention.


In 2018, the ratio of average "good air" days in 338 prefecture-level cities and above was 79.3%, which was 1.3 percentage points higher than last year. In the past three years, Beijing achieved a reduction in PM2.5 pollution levels that took Los Angeles, U.S. 12years to complete. China has made outstanding achievements in tackling air pollution. But if China wants to further significantly reduce the concentration of PM2.5 in the near future, and strives to increase the proportion of average "good air" days to the aim of over 80 percent, China needs to continue its race in winning the battle for blue skies.