The website geology.com has an interactive Global Sea Level Rise Map, on which you can zoom in and look at how coastal areas will be affected by different levels of rising seas. It is sobering.
We all know Venice is in trouble, but here vanishing coastline stretches clear down to Ravenna. In Egypt, much of Alexandria will be completely underwater. Not just most of the Netherlands, but a large area of the Elbe Valley, including the lower parts of Hamburg, will be under.
Here is a simple and easy-to-follow video which explains the basic science of climate change. In case anyone has been listening to the deniers and is all confused now.