This essay delves into the realm of green criminology, focusing on the critical issue of environmental harms and their potential criminalization. It begins by defining social harm and its relevance to environmental issues, emphasizing the distinction between environmental harm and environmental crime. The essay then explores various types of environmental harms, including the overuse of plastic, the use of carbon fuels, deforestation, and waste disposal, providing detailed discussions, statistics, and criminological perspectives for each. It examines the negative impacts of plastic pollution on oceans and wildlife, the consequences of carbon fuel emissions on health and climate change, the effects of deforestation on ecosystems, and the problems associated with waste disposal. The essay concludes by arguing that the criminalization of these environmental harms may be a necessary step towards controlling the issues and promoting environmental awareness. The essay highlights the significance of green criminology as a field that addresses environmental crimes and harms often overlooked by mainstream criminology.