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The U.S. Climate Vulnerability Index map is an interactive tool that ranks more than 70,000 U.S. census tracts using 184 indicators to show which communities face the greatest challenges from climate change. It visualizes “overall climate vulnerability” as well as underlying drivers in domains such as health, social and economic conditions, environment, infrastructure, and climate impacts (e.g., extreme events and climate disaster costs). Users can search for any location, compare tracts within a state or EPA region, and drill down to see which specific factors—like housing quality, exposure to pollution, or health burdens—are contributing to vulnerability, helping communities and decision‑makers target climate resilience investments where they are needed most.