The Symposium has now concluded.
The success of the Symposium was made possible by the efforts of many people and organisations. We would like to thank all delegates, presenters, workshop facilitators, session chairs, reviewers, sponsors, exhibitors, and volunteers for their contributions.
We extend our sincere gratitude to mana whenua and local iwi for their support, guidance, participation, and generosity throughout the Symposium. Their welcome, cultural leadership, and contribution helped ground this international gathering in place and strengthened the connections between people, communities, and the ocean.
In particular, we acknowledge the commitment and leadership of the Symposium Chair and Co-Chairs, together with the members of the Local Organising Committee, International Committee, and Early Career Research Committee, who dedicated their time and expertise to shaping the scientific programme and participant experience. We are also grateful to our sponsors, supporting organisations, and partners for their valued support in helping deliver this international gathering.
Ngā mihi nui to everyone who contributed to the success of the 6th International Symposium on the Ocean in a High-CO₂ World.
Kia Ora Welcome!
The local organising committee warmly invites you to join us for...
Mā te kōrero, kia mārama. Mā te mārama, kia mahi tahi. Mā te mahi tahi, kia mōhio.
The 6th International Symposium on the Ocean in a High-CO₂ World
Moving from Understanding to Action using Multiple Knowledge Systems
Held in Wellington, New Zealand, at Tākina Convention & Exhibition Centre. Join researchers and other thought leaders from across the globe to explore the impacts of rising CO₂ and help shape future ocean science solutions. Experience Wellington through ecosanctuary tours, SCUBA dives in Taputeranga Marine Reserve, and a wide range of technical workshops.
Ngā Uri o Taranaki Whānui have generously gifted the Symposium's name in recognition of the partnerships that have collectively developed this symposium.
Meet the teams behind the symposium — including the local, international, and early career committees — learn more here.
Before you attend:
Read the karakia below which will be used throughout the Symposium.
Ocean Ecosystems
In conjunction with the BMC journal Ocean Ecosystems, there will be a Collection of articles that focus on the impacts of high CO₂ and climate change drivers on marine ecosystems and organisms that celebrates the research presented at the symposium and beyond.
Submission deadline: 15 March 2027
About the Symposium
Ocean acidification remains a central theme of the symposium series. This edition will also expand to consider other ocean climate impacts, such as ocean warming and deoxygenation, particularly in a multiple-driver context. Research on marine carbon dioxide removal interventions, which are suggested to mitigate climate change and ocean acidification, will also be a key part of the conference.
Themes
- Beyond tipping points - translating science to action
- Global-driven changes in biodiversity and ecosystem resilience
- Multiple stressors' effects on marine organisms
- Ocean-based solutions
- Technological advances in marine climate change research
- The modulating role of time - from short-term variability to evolution
- Working across knowledge systems in a high-CO₂ world
Workshops, Meetings & Training
There are over 22 free workshops covering a wide range of topics, including marine carbon dioxide removal (mCDR), learning across knowledge systems, policy engagement, integrating ocean carbon observations and models, experimental design, and biodiversity in a changing ocean. Space in many workshops is limited, so make sure to sign up when you register.
Keynote & Invited Speakers
