Portland’s peninsula and commercial center vulnerable to floods

MAINE SUNDAY TELEGRAM • January 21, 2024

At the end of the century, when a rapidly warming Casco Bay is predicted to have risen another 4 feet because of climate change, a big storm that blows in hard from the southeast on a new moon tide – like the one that hit us on Jan. 10 – could spell disaster for Portland. Much of Commercial Street, which was built on filled land, would be overrun by up to 10 feet of water, along with its shops, bars and restaurants beloved by locals and tourists, as would the working waterfront that serves the area’s lobster and fishing fleet.