2018-联接海洋（英文版）-3mb

Ocean Connections Summary

Core Content

This report, Ocean Connections: An Introduction to Rising Risks from a Warming, Changing Ocean, provides an overview of the growing risks associated with ocean warming and its broader implications for society, the environment, and the economy. It is a collaborative effort between IUCN and XL Catlin, highlighting the need for a more integrated understanding of ocean risk and the importance of taking action to mitigate its effects.

Main Points

• Ocean Change: The ocean is changing at an unprecedented rate due to human activities, including climate change, pollution, and resource extraction. These changes are altering weather patterns, ecosystems, and natural processes in ways that fall outside historical norms.

• Ocean Risk Definition: Ocean risk is defined as a function of hazard, exposure, and vulnerability. It is not just about the occurrence of a hazard but also about how society is exposed to it and how vulnerable it is to the impacts.

• Key Dimensions of Ocean Hazards:

  • Harmful changes in ocean physics and chemistry (e.g., acidification, warming, deoxygenation)
  • Inappropriate human uses and interactions (e.g., pollution, overfishing, shipping)
  • Ineffective ocean policy, governance, and leadership
  • Interactions between the ocean and other Earth systems (e.g., weather systems, agriculture, sea-level rise)

• Vulnerability Drivers:

  • Inherent sensitivity of the ocean system to environmental change
  • Inadequacy of science and data
  • Political will and communication challenges
  • Governance and implementation issues
  • Social gaps and inequality
  • Financial and economic challenges

• Case Studies Highlighted:

  • Weather and extreme storm events: Stronger and more frequent storms due to warmer ocean temperatures
  • Human health and diseases: Increased risk of vector-borne and waterborne diseases
  • Harmful algal blooms (HABs): More frequent and severe due to changing ocean conditions
  • Coral bleaching: Caused by rising temperatures, leading to loss of marine biodiversity and ecosystem services
  • Food security via fisheries and aquaculture: Impacts on global food supply and livelihoods

• Need for Action:

  • The report emphasizes that the consequences of ocean warming will be long-term, with significant impacts on both the environment and human society
  • It calls for a shift in how we perceive and respond to ocean-related risks, advocating for scenario planning, policy integration, and local action
  • The report encourages a common language and shared understanding between the insurance and private sectors and the conservation and scientific communities

Key Risks and Impacts

• Rising sea levels and extreme weather events are among the most pressing risks associated with a warming ocean
• Feedback loops in the climate system are long, making it difficult to predict and respond to changes effectively
• Ocean literacy is essential for recognizing and addressing the risks, as many people lack an understanding of the ocean's role in global systems

Collaboration and Support

• The report was supported by XL Catlin, a global insurance and reinsurance company, and the Total Foundation
• It builds on the 2016 IUCN Ocean Warming report and includes contributions from 80 scientists
• The Ocean Risk Initiative, launched by XL Catlin in 2017, aims to improve ocean literacy and highlight the financial and societal implications of ocean-related risks

Conclusion

• The report stresses that ocean risk is a critical global issue that requires urgent and coordinated action
• It calls for policy integration, greater scientific investment, and improved governance to address the challenges
• The goal is to create a shared understanding of ocean risk and to ensure that solutions are developed and implemented at all levels, from local to global

References

• The report is part of a series of publications by IUCN, including Ocean risk and the insurance industry
• It draws on the findings of a 2017 Ocean Risk Workshop and incorporates scientific research on ocean change and its impacts

Additional Information

• The report was authored by D. Laffoley and J. M. Baxter
• It was published by IUCN, Gland, Switzerland in 2018
• The ISBNs are: 978-2-8317-1903-0 (PDF), 978-2-8317-1904-7 (print)
• The DOI is: https://doi.org/10.2305/IUCN.CH.2018.09.en

Acknowledgements

• The authors thank XL Catlin for their financial support and involvement
• They also acknowledge the Swedish Ministry of the Environment and Energy and the Oxford Martin School for their contributions
• The IUCN Global Marine and Polar Programme provided support for the report's production

Financial and Policy Implications

• The financial impacts of ocean risk are significant, affecting both the insurance industry and global economies
• There is a need for policy integration to ensure that ocean risk is addressed across sectors
• Ocean risk scenario planning is advocated to prepare for future changes and their consequences

Key Takeaways

• Ocean risk is a multidimensional and interconnected issue that affects people, ecosystems, and economies
• The speed and scale of ocean change are greater than previously anticipated
• Collaboration between science, policy, and industry is essential to address the challenges
• Ocean literacy is a critical factor in recognizing and responding to ocean risk

Call to Action

• The report encourages greater investment in ocean science and risk assessment
• It calls for more comprehensive governance and international cooperation
• Local and regional action is emphasized, as well as global policy integration
• The insurance industry has a key role to play in understanding and mitigating ocean risk

Final Note

• The report is part of a broader effort to raise awareness and drive action on ocean-related risks
• It highlights the interconnectedness of the ocean with the rest of the Earth system
• The goal is to safeguard nature, people, and the benefits we derive from the ocean for both now and the future