These types of adaptations are more effective when built on trusted relationships and effective coordination among involved parties, and are inclusive of the diversity of actors in a coastal community.Box FAQ 3.4 (continued) Table 3.27 | Conclusions from previous IPCC assessments about implemented adaptation, enablers and limits, and contribution to Sustainable Development Goals (SDGs) AR5 SR15 SROCC Degree of implementation (Section 3.6.3.1)‘The analysis and implementation of coastal adaptation towards climate-resilient and sustainable coasts has progressed more significantly in developed countries than in developing countries (high confidence)’ (Wong et al., 2014).‘Adaptation (to SLR) is already happening (high confidence) and will remain important over multi-centennial time scales’ (Hoegh-Guldberg et al., 2018a).‘A diversity of adaptation responses to coastal impacts and risks have been implemented around the world, but mostly as a reaction to current coastal risk or experienced disasters