Ecological psychology has boomed from a rare form of psychology to a flourishing field, including psychologists, sociologists, and economists. We review the development of the field from early studies to more recent advances in subsistence theories, environmental challenges, human environments, economic environments, and political environments. We also discuss frequent challenges in ecological psychology, such as reverse causality and ecological determinism, as well as ways to address these challenges. Finally, we outline paths forward including understudied regions and micro cultures.