This Springer essential addresses the impacts of the climate crisis by integrating various branches of research from psychology and neuroscience. Climate change has massive effects on both the physical and mental health of individuals. The essential describes changes in brain function and structure due to environmental influences and explains the influence of ecological niches on brain evolution. The core part of the book focuses on the effects of the climate crisis on mental health, presents strategies for action in healthcare, and finally provides an outlook into the future of climate neuroscience.