Requires the State and counties to incorporate predictions of sea level rise and other climate change hazards and mitigation opportunities into applicable plans, strategies, and mapping. Requires the Public Utilities Commission, and any public utility regulated by the Public Utilities Commission, to consider the findings in the Hawaii Sea Level Rise Vulnerability and Adaptation Report. Encourages each county to participate in the community rating system developed by the National Flood Insurance Program. Effective 7/1/2050. (SD2)