A talented young architecture student named Magnus Larsson has come up with a wonderful plan to very literally solidify the efforts of the Green Wall Sahara initiative. In his ingenious plan, microorganisms would be used to teraform the dunes on the southern border of the Sahara into a porous wall that shelter Sub-Saharan Africa from the ever expanding desert. I found it hard to believe that this could be even remotely possible at first, but after listening to him explain the project in a TED conference presentation and visiting his detailed website, I think that this could quite possibly the first of many Sand cities that the international community could build in "third world" countries across the globe.
