Which of the following design strategies should enhance a site ' s resilience against extreme...

Vegetated roofs reduce heat absorption by replacing conventional high-temperature roof surfaces with vegetation and growing media that provide shading and evapotranspirative cooling. LEED v5 explicitly recognizes vegetated roofs under SSc5: Heat Island Reduction, whose intent is to mitigate microclimate and habitat impacts caused by heat islands and extreme heat events. This makes green roofs directly relevant to reducing exterior surface temperatures and moderating the site ' s thermal environment. Rainwater harvesting is an important climate-resilience strategy for water supply, particularly under drought conditions, but it does not primarily address extreme heat. Raised-floor systems may support interior air distribution but do not significantly reduce the exterior site ' s heat-island effect. Therefore, among the available options, installing green roofs is the strategy most directly associated with improving site resilience against extreme heat conditions.