Within limits, coastal ecosystems can respond to RSL through sediment accretion and lateral inland movement . Nature-based measures have the greatest potential in coastal deltas and estuaries, where human populations are exposed, but large ecosystems, like mangroves and marshes, can be conserved and restored . Their feasibility depends on physical, ecological, institutional and socioeconomic conditions that are typically locality dependent ; space may not be available in certain places , or these measures may conflict with other human demands for scarce land . Successful nature-based measures require site-specific knowledge and science-based design, pilot monitoring and adaptive upscaling , as well as a more rigorous understanding of long-term performance, maintenance and costs .
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report