After our sustainability month, it becomes easy to ask for a plan to become more sustainable. On a national scale, this becomes demand for a blueprint or recipe for how to organize society successfully in the future along sustainability principles. The idea of a given trajectory of development goes back to Walt Rostow, who described development around the world up to 1960, ending with the emergence of a first, second, and third world. More modern theorists realize that the world is not linear, however.