In a world full of growth, it is important not to lose sight of the foundations of our existence. The environment and our planet are complex and sensitive systems that humanity must strive to protect. More and more people are moving to urban areas, which brings with it new planning challenges. In particular, it is important to master the challenge of striking the best possible balance between creating new living space and protecting the environment. This requires strategies. This book provides a clear and understandable overview of the various options for ensuring sustainable planning in growing communities and cities. As a special planning tool, the focus is primarily on inner development.