You thought you were safe in your desert resort? You can buy this map. As the oceans rise, the Gulf of California will inundate the Imperial Valley, and finally reach its ultimate…

This is a conspiracy. When I started making these maps, it was with a sense of wonder and fascination. The way deep-time would change the cities of the world, the…

It took me a while to get back to the cities of the East Coast of the United States. I'd made maps of New York City, Boston, and in Canada,…

When I first made the New York and the Boston maps, I rendered the sea level rise at a much lower level than the cities of the West Coast. The…

I made the first Boston sea rise map several years ago, but I never wrote a blog post about it. Well, here it is, at long last. The first map…

Here's the NY Sea map, updated with new graphics. This will happen someday, but not in our lifetimes. Some who have dared to speculate on a timeline have given themselves…

Here's the newer version of the Portland map, with updated hillshading and elevation. It shows 215' of sea level rise, the highest estimated by the IPCC.  You can buy this…

In the ongoing process of updating my old maps, this is San Diego and Tijuana with 215' of sea level rise. I love how the terrain came out in this…