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Sea-Level Rise

High-end sea-level rise: ice sheets, IPCC projections, H++ scenarios and what they mean for coastal assets.

Meltwater cascading over the edge of an ice sheet

Climate · 14 Oct 2025

Lessons from Ancient Sea-Level Surges: Reassessing Modern Risks and IPCC Projections

Ancient sea-level surges and new ice-sheet science suggest IPCC projections understate the worst case. Why planners should test assets against 2–3 m by 2100.

Illustration of the Thames Barrier's gates holding back a surging sea in front of a city skyline

Adaptation · 7 Jan 2025

Scientinel publishes Sea Levels App

Scientinel's Sea Levels App for iOS puts an extreme, accelerated ice-sheet melt scenario, the kind first used to plan the Thames Barrier, in public hands.

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