80
Section 3
Section 1
Section 3
2020
2100
2050
2150
Ecosystem-based adaptation
Sediment-based protection
Elevating houses
Protect levees
Protect barriers
Planned relocation
≈30 years
≈50 years
≥100 years
≈100 years
≈15 years
≈15 years
Indicative time for planning and implementation
Typical intended lifetime of measures
Long-living 
societal 
legacy
0
1m
2m
3m
0
1m
2m
4m
5m
6m
7m
3m
4m
5m
15m
2000
2020
1950
1900
2100
2050
2150
2300
Sea level rise 
greater than 15m 
cannot be ruled 
out with very 
high emissions
Low-likelihood, high-impact storyline, including ice sheet 
instability processes under the very high emissions scenario
Observed
Unavoidable sea level rise will cause:
These cascade into risks to: livelihoods, settlements, health, 
well-being, food and water security and cultural values.