More than 5,500 toxic and hazardous sites across the United States are projected to be at risk of coastal flooding as a result of rising sea levels by 2100, with nearly 3,800 facing similar danger as soon as 2050 under high- emissions scenarios.

A new peer-reviewed study led by University of California scientists has highlighted these risks in a series of detailed maps and state-by-state analyses, revealing the scope of the threat to public health and American communities.

According to the data, Louisiana has the most hazardous sites at risk, with more than 1,000 identified locations at risk, while other southern, East Coast and West Coast states have fewer than 1,000 per state.

With projections suggesting much of the risk is already locked in because of past emissions,

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