Daniel C.W. Tsang is a Professor in the Department of Civil and Environmental Engineering at the Hong Kong University of Science and Technology and Pao Yue-Kong Chair Professor at the State Key Laboratory of Clean Energy Utilization of Zhejiang University in China. He was a Professor and MSc Programme Leader at the Hong Kong Polytechnic University, a Visiting Professor at the University of Queensland in Australia and Chulalongkorn University in Thailand, a Visiting Scholar at Stanford University in the US, an IMETE Scholar at Ghent University in Belgium, and a postdoctoral fellow at Imperial College London in the UK. With over 20 years of R&D experience, he has published more than 600 articles in top-tier journals and has been recognized among Stanford University’s Top 2% Scientists and Clarivate’s Highly Cited Researchers in the fields of Engineering and Environment & Ecology. His team is dedicated to developing green technologies for long-term decarbonization and promoting resource circularity and sustainable development. He serves as the Editor-in-Chief of npj Materials Sustainability (Springer Nature), Chairman of the Hong Kong Waste Management Association (2023-2025), and Chairman of the Waste Management Subcommittee of the Advisory Council on the Environment (2023 & 2024) of the Hong Kong SAR Government. Lei Wang is a professor at Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment. His primary research areas are regional ecological environment assessment and organic industry development. He has currently published over 30 articles in journals including Natrue Geoscience, Geoderma, Agriculture, Ecosystems & Environment, and others. Additionally, he currently holds the position of Deputy Director of the Soil Ecology Committee of the Chinese Soil Science Society, and he is also a member of the Carbon Peak and Carbon Neutrality Committee of the Chinese Society for Environmental Sciences.