Core Viewpoint - The 20th International Environmental Expo is being held in Hong Kong, showcasing advancements in environmental protection and air quality research through collaboration between the Hong Kong Environmental Protection Department and Hong Kong University of Science and Technology [1] Group 1: Event Overview - The Hong Kong Environmental Protection Department invited over 50 representatives from participating delegations to visit the Hong Kong University of Science and Technology's (HKUST) Department of Environment and Sustainability [1] - The event included a welcome speech by the Chief Environmental Protection Officer, introducing the development of environmental initiatives in Hong Kong [1] Group 2: Research Collaboration - HKUST and the Environmental Protection Department have collaborated on air quality research, including projects focused on ozone and smog pollution in the Guangdong-Hong Kong-Macao Greater Bay Area [1] - The research team at HKUST presented their real-time observation projects and advanced detection instruments at the air quality research super station [1] Group 3: Technological Advancements - The super station, jointly constructed by HKUST and the Environmental Protection Department, is equipped with advanced air pollution monitoring devices capable of real-time identification and monitoring of atmospheric organic compounds [1] - This facility provides critical data support for tracking photochemical smog and high ozone, as well as haze pollution events, aiding in understanding the migration and transformation of atmospheric pollutants [1]