States, localities and the federal government have spent more than $6.5 billion since 1990 pumping sand onto beaches to fight erosion and rising seas. Use the map to view spending by state, or hover over specific locations to see individual nourishment projects. Because of missing data, total spending is likely higher. All costs are adjusted for inflation to 2016 dollars.
— Interactive by Felippe Rodrigues
Source: Program for the Study of Developed Shorelines at Western Carolina University