I alluded to this idea in this Biome post and here is the how-to and pictures. Forgive the blurry pics - it's hard to tell if something is in focus with my bifocals!
I used Liesl's Biome map as my control for making the Biome Globe. You can see it in the photo. We've used it for years (thanks, Liesl!!). It is laminated and rubber cemented to foam board for a pin map. I always use strapping tape around the edges of my pin boards to secure them better.
We happened to just use our old land/water globe to make our Biome Globe. It would've come out a lot smoother without the sand :).
Oh! My daughter actually painted it as an extension of her biome studies.