We argue in this paper for a political economic approach to the study of global ecological crimes. Green criminological studies often employ case study approaches which help explain a particular green crime; however, these studies lack a coherent theoretical basis. Based on ecological Marxism and treadmill of production approaches, we outline a theoretical approach for green criminology that focuses on crimes of ecological disorganization—that is, green harms that are the result of organizing the productive forces of the economy in a manner that is consistent with capitalism. We conclude that, to truly understand and remedy green harms, a focus on political economy is necessary.