Earthjustice is a nonprofit environmental law organization based in the United States. Founded in 1970, it focuses on using the legal system to protect the environment and promote public health. The organization represents various clients, including community groups, tribes, and conservation organizations, often working on issues related to air and water quality, wildlife protection, and climate change. Through litigation and advocacy, Earthjustice aims to hold polluters accountable and enforce environmental laws. The organization has been involved in numerous landmark cases that have shaped environmental policy and helped safeguard natural resources for future generations.