Haha, yeah, we'll be ok!

That's good feedback. I could slow it down, but I didn't know how much patience typically people have around here. I agree on the projection - the underlying data is all gridded though and reprojecting elevation is quite doable, but reprojecting populations and keeping track of how many people are now involved is non trivial. If you have a suggestion, let me know.

Sure, 500m is not going to happen, but people kept asking me to show what happens at that height.

I had one that went on to 100m but then people kept asking me what happens if we go to 500, so ...

It's gonna be quite hot though in that Spanish highlight island!

Source:

• Elevation data is adapted from Mapbox
• Population data comes from Gridded Population of the World:

Tool:

• Source code: https://github.com/DOsinga/sealevel
• How it was done: discussion