The Thematic Forum was inaugurated by Nianzhi Jiao, Academician of the Chinese Academy of Sciences and Chief Scientist of ONCE. Keynote speeches followed, addressing the potential of ocean-based carbon dioxide removal (CDR), critical challenges and governance gaps, and innovations in green chemistry, such as methanol conversion, to support climate mitigation. Dongyan Liu, Chair of the IMBeR Scientific Steering Committee, moderated a panel discussion titled “Promoting Sustainable Development: The Intersection of Innovation and Practice.” This discussion highlighted nature-based solutions for tidal wetlands, technological innovations for climate adaptation, nutrient management, biodiversity enhancement, and mechanisms to strengthen international collaborations.