Delaney Dryfoos

The Mississippi River is the nation’s most endangered river, a national conservation group says, because of federal plans to cut flood relief programs as severe weather threats grow. American Rivers, a nonprofit environmental advocacy organization, has issued an annual list of U.S. rivers it views as most at-risk for the past 40 years. The Mississippi’s place at the top comes as communities along the lower river flooded from torrential rain in early April, and as Trump administration officials consider eliminating the Federal Emergency Management Agency, or FEMA, which helps state and local governments respond to disasters.

Baton Rouge, La. — Mayors from 10 states along the Mississippi River convened in Louisiana’s capital last week to announce a cooperative agreement between the working river’s ports.