However, sea level rise is mentioned as a key finding: "Climate change will increase exposure risk to coastal flooding due to increases in extreme precipitation and in hurricane intensity and rainfall rates, as well as sea level rise and the resulting increases in storm surge [High Confidence].
I have yet to find if the report estimates how many internally displaced Americans this will mean by 2100, but I think it will be many millions. In the last week about 80,000 Canadians have had to leave Fort McMurray; due in part to climate change; not all of them will leave. Refugees are already leaving parts of Louisiana.
In April, 2016, I and 13 colleagues submitted a 750 word letter about these issues to Environmental Health Perspectives. The journal replied that they do not publish letters in response to editorials, but they encouraged us to write a commentary. I hope we can do that shortly.