This accessible and readable introduction to the Sustainability Project quickly became a project upon which six authors collaborated. They brought together the accumulated knowledge of researchers from the Sustainable Europe Research Institute (SERI), who are versed in global environmental change, resource use, work, the economy, and sustainable development. Writing and then discussing and commenting on each other’s work brought these experts closer together and made it even clearer to all of them how urgent and important the goal of sustainable development has become. The result was a definitive study of how we need to change, both collectively and individually, to ensure the sustainability of our planet.