"Climate change poses an existential threat to our lives, to our economy, and the threat is here. It's not going to get any better," Biden said. "We can stop it from getting worse."
The president's flood damage trips revive Biden's familiar role of consoler-in-chief, a shift from the time spent in recent weeks defending his decision to pull U.S. troops from Afghanistan and the deadly aftermath that ensued.
Dozens of people have died from the hurricane's destruction and some states are still grappling with widespread power outages and water-filled homes.