Millions more people newly exposed to coastal flooding after elevation corrections and subsidence
Key Questions
How many buildings could be at risk from sea-level rise?
Scientists warn sea-level rise could submerge over 100 million buildings, particularly in the Global South, Paris, Italy, US cities, and Jakarta. Elevation corrections and subsidence reveal millions more people newly exposed to coastal flooding.
What is the role of glaciers in 2025 sea-level rise?
Glaciers lost 408 ± 132 Gt of mass in 2025, equivalent to 1.1 ± 0.4 mm sea-level rise. This contributes to accelerating exposure in coastal areas like NYC and Miami.
How is subsidence affecting the Bay region compared to sea-level rise?
Subsidence in the Bay region is minor compared to dominant sea-level rise (SLR), as per studies. SLR remains the primary driver of coastal flooding risks.
What measures is Ocean Park taking against rising seas?
The Village of Ocean Park, founded in 1881 on Saco Bay, is exploring fortifications to protect against rising seas. This reflects growing coastal adaptation efforts.
Which cities face disappearing due to sea-level rise?
Cities like Miami, NYC, and others in Italy and Jakarta risk partial submersion, with projections showing significant coastal losses. Thwaites Glacier instability heightens these threats.
How is Italy addressing coastal erosion?
Italy is ramping up coastal protection as erosion worsens, risking 20% beach loss by 2050 and 45% by 2100. Vulnerable coastlines are deemed 'extremely precious'.
What health impacts does sea-level rise pose?
Sea-level rise brings health impacts like those seen in Solomon Islands, prompting questions on who should pay for adaptation. It exacerbates vulnerabilities in low-lying areas.
Is housing policy keeping up with climate risks?
Climate risk is outpacing housing policy, affecting property values in 16 coastal towns and prompting insurance and retreat discussions in places like NYC with proposed $20B flood walls.
Bay subsidence minor vs SLR; 100M+ buildings Global South/Paris/Italy/US/Jakarta; Pacific 62% health vuln/Solomon floods; glaciers 408Gt; NYC/Miami/Thwaites/Ocean Park/ins/housing.