Marshes near Jean Lafitte. Rising sea levels and land loss are driving back Louisiana’s coastline, and a fourth of the state’s wetlands are already gone. The West Closure Complex is part of a sprawling hurricane risk reduction system that protects greater New Orleans. The city is visible in the distance. William Widmer for The New York Times Roseau cane plays a critical role in slowing erosion. But now it is under attack by an invasive insect, intensifying the threat to Louisiana’s coast. William Widmer for The New York Times The West Closure Complex is part of a sprawling hurricane risk reduction system that protects greater New Orleans. The city is visible in the distance. William Widmer for The New York Times Roseau cane plays a critical role in slowing erosion. But now it is under attack by an invasive insect, intensifying the threat to Louisiana’s coast. William Widmer for […]