“Our underwater future: What sea level rise will look like around the globe”
Three degrees is a bit extreme, but at our current rate for being unable to curb the rise in global temperatures, it is possible.
The issue I see is that we’ve already crossed the Rubicon on seeing major impacts of climate change coming our way. At 1.5 degrees Celsius we are observing significant Greenland glacier melt occurring.
Do look at the link above. They have a series of “slider pictures” that show the impact of sea level rise on various cities.