Living by the ocean might sound nice, but in the era of climate change, it's a risky proposition.
As sea levels rise, coastal residents are faced with tough choices: try to fortify their homes, move to higher ground or just pull up roots and leave.
Homeowners in Nahant, Mass., are grappling with these wrenching questions. The community lies on a rocky crescent moon of land in the Atlantic Ocean just north of Boston.
For its entire history, it has been at the mercy of the ocean.