Hannaford hired the Gulf of Maine Research Institute to assess flood risks at low-lying pilot stores in South Portland and Portland as sea levels rise.
The Magalloway project is one of Maine's biggest conservation victories in a decade, protecting remote forests and prime trout streams from development.
A federal judge gave the Trump administration until July 3 to return signs it had removed from national parks and monuments, including climate change and Wabanaki displays at Acadia National Park.