Cross-Chapter Box SLR in Chapter 3; Oppenheimer et al., 2019; Doberstein et al., 2019). For existing C&S, accommodation includes biophysical and institutional responses to reduce exposure and/or vulnerability of coastal residents, human activities, ecosystems and the built environment, enabling continued habitation of coastal C&S . Next to hard protection, accommodation is the most widely used adaptation strategy across all archetypes to date . Measures include elevation or flood proofing of houses and other infrastructure , spatial planning , amphibious building designs , increasing water storage and/or drainage capacity within C&S , early warning systems and disaster responses  and slum upgrading .
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report