From September 3rd to 9th, OUIK Research Associate Dr. Juan Pastor-Ivars assisted the General Assembly 2023 of ICOMOS in Sydney (Australia). ICOMOS, the International Council on Monuments and Sites, is a non-governmental international organization dedicated to conserving the world’s monuments and sites, offering advice to UNESCO. In Sydney, Dr. Juan Pastor-Ivars and more than 1400 experts from across the globe engaged in a complete program of lectures, workshops, and visits designed to discuss heritage perspectives with the current world concerns of sustainability, conflict, and COVID-19. Dr. Juan participated in the scientific symposium on the Nature-Culture journey, providing a presentation entitled “New Green-Heritage Commons from the Japanese Gardens in Kanazawa.” showcasing a sustainable conservation model for a group of twenty-five historic gardens in Kanazawa. The audience highlighted the relevance of gardens for human well-being and pointed out the necessity of connecting these practices at the urban level globally. Participating in the General Assembly 2023 in Sydney has been a valuable occasion for Dr. Juan to disseminate the Kanazawa urban nature model to a big audience, create new contacts, and strengthen the links between ICOMOS, IUCN, and UNU-IAS.