Figure 3-6: Adaptation
and the average annual number of people flooded by coastal storm surges, projection
for the 2080s. The left two bars show the average annual number of people
projected to be flooded by coastal storm surges in the year 2080 for present sea
level and for a rise in sea level of ~40 cm, assuming that coastal protection
is unchanged from the present and a moderate population increase. The right two
bars show the same, but assuming that coastal protection is enhanced in proportion
to GDP growth.