Biodiversity is one of the most important components of the natural world. It provides us with food, medicine, and other essential resources. It also contributes to the cultural and spiritual heritage of human societies. However, the rapid pace of human development has resulted in the loss of biodiversity at an alarming rate. Environmental policy plays a critical role in the conservation of biodiversity. In this paper, we will explore the effectiveness of environmental policy in the conservation of biodiversity, with a focus on the United States.