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Taking “the 2022 Olympic Winter Games (OWG)” as a typical case, a chemical transport model coupled with a tracer-tagged module was used to evaluate the air quality and source apportionment of ambient pollutants in the OWG host cities under historical and predicted meteorological conditions.
5 ημέρες πριν · Mitigating climate change is an urgent challenge. Urban transport systems are major emitters of greenhouse gases, so decarbonising their operation is vital for achieving net zero emissions by 2050. By increasing travel demand in host countries, the Olympic and Paralympic Games, one of the largest mega-events in the world, tend to exacerbate the problem of transport emissions.
26 Απρ 2023 · This paper examined how air cleaning interventions affected air quality in Beijing and neighboring cities during two major international events held in Beijing, the 2008 Olympic Game and the APEC summit.
1 Ιουν 2024 · We evaluate the environmental and economic effects of Beijing’s driving restrictions. Based on daily data from multiple monitoring stations, air pollution falls 19% during every-other-day and 8% … Expand
1 Ιαν 2024 · The anthropogenic air pollutant emissions from mainland China are reported by using a bottom-up approach based on the near-real-time data in 2020 and use the estimated emissions to simulate air quality changes with a chemical transport model.
