Evidence since SROCC  continues to show that built infrastructure cannot address all of the adaptation challenges that coastal communities face. Coastal squeeze creates tensions between coastal development, armouring and habitat management . Managed realignment is the best option to reduce risks from SLR   but requires transformative changes in coastal development and settlement . Implementation of protective measures varies among nations and lack of financial resources limits the options available  .
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report