Mainstreaming climate change adaptation into national cross-sectoral development planning legislation, regulations, procedures and tools. Very high. Mainstreaming climate change adaptation into spatial/territorial development planning legislation, regulations, procedures and tools, including building codes (orientation of constructions in areas protected by floods and marine erosion). Very high. Mainstreaming climate change adaptation into sectoral development planning legislation, regulations, procedures and tools (including building codes and standards for housing and other infrastructure). Very high.