Most of modern Boston is built on trash dumped into the harbor to make more land, so I can imagine that they are going to have some issues with any sea rises.

Most of modern Boston is built on trash dumped into the harbor to make more land, so I can imagine that they are going to have some issues with any sea rises. https://news.nationalgeographic.com/2017/06/Boston-landfill-maps-history/ https://news.nationalgeographic.com/2017/06/Boston-landfill-... One side-effect of all this land-filling is that it is really difficult to get a feel for what the place would have been like historically. For instance, the campaigns of 1775 don't make a lot of sense if you are reading about them and trying to look at a modern map.