Mississippi Basin river The once-mighty glacier is not

The once-mighty glacier is not just a relic of the past—it’s a warning for the future

As the glacier shrinks

Data Source: 3DEP

With locks

Mississippi Basin river The once-mighty glacier is notThe damming of the Mississippi River Valley in the 19th and 20th centuries transformed one of Americas most vibrant ecosystems into a heavily managed waterway, reshaping both its physical landscape and the socio economic dynamics along its banks. Originally a wild, meandering river with natural flood cycles that nourished expansive wetlands and biodiverse habitats, the Mississippi became a tool for human ambition. With locks, dams, and levees