Adequacy of Estimated $100 Billion for Coastal Defences over Next 100 Years in View of Rise in Sea Level from Melting of Antarctica
- The $100 billion estimate for coastal defences over 100 years was based on a 2013 study and older climate reports that did not fully account for Antarctic ice melt.
- Newer scientific findings, including a 2019 IPCC report, indicate higher sea-level rise for tropical regions like Singapore, prompting ongoing research and updates to projections.
- The government has allocated $5 billion to a Coastal and Flood Protection Fund and plans detailed studies on specific coastal areas to refine cost estimates and adaptation measures.
- The $100 billion figure is an initial estimate that may change as climate science evolves, and Singapore’s approach will remain flexible to accommodate future data.