Human's relationship with Earth is broken, dismembered by the political economic view that exploitation of natural systems is the only way to relate to our planet. The consequences for human and non-human health are adverse and will worsen. To contribute to the global effort to turn this around, the public health movement needs to promote a compelling narrative that promotes a vision of an alternative relationship to Earth. Drawing on Indigenous and human ecology perspectives, the Planetary Health concept puts human's relationship with other species and the ecosystem central to the story of humanity's wellbeing. This enables several outcomes: a strong, coherent narrative for communicating the importance of human respect for Nature to multiple audiences; a vision for a healthy relationship between humans and our planet; a set of principles and practices to guide planning and implementing action for achieving that vision; and a transdisciplinary framework to connect research, policy and projects within the disciplines of Ecohealth, One Health, human ecology, political ecology and other elements of public health. It includes and complements, not replace, these disciplines. Using the Planetary Health concept will help the public health movement to better promote action to ensure human and Earth System wellbeing.