Walsh Outlines Plan To Protect Boston Harbor From Flooding | WBUR News

October 17, 2018 Updated Oct 17, 2018 9:58 AM   Bruce Gellerman

Boston is getting a new plan to combat the effects of climate change. Mayor Marty Walsh on Wednesday unveiled his “Resilient Boston Harbor” proposal.

Walsh says his plan is not just a comprehensive strategy to protect the city from climate change flooding, but a transformative vision that will add 67 acres of greenspace to Boston’s 47-mile shoreline.

The idea is to build seawalls and natural barriers, and elevate roads in low-lying areas by as much as 7 feet to prevent flooding from rising sea levels. A redesign of Morrissey Boulevard in Dorchester is one proposal in the plan.

“This is about prevention,” Walsh told reporters in a briefing Tuesday. “Making investments in this type of work is the key to our city.”

The Boston Harbor Cruises ticket office stands surrounded by water as high tide floods Long Wharf during the March 2018 nor’easter. (Robin Lubbock/WBUR)

The mayor couldn’t say how much the harbor resiliency plan will cost, but says it’ll require funds from the state, federal government, companies and philanthropies.

The idea is to spend millions to save billions.

“The investments you make now are the savings of tomorrow,” Walsh said.

One example the mayor gave was spending $160 million to make East Boston more resilient to flooding, saying it could prevent $450 million in damages in the future.

The mayor all but buried the idea of building a barrier in the harbor. That’s after a feasibility study from UMass Boston researchers advised against such a barrier.

This segment aired on October 17, 2018.

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