Description: The Center for Biological Diversity is a U.S.-based environmental non-profit that uses science, litigation, and policy advocacy to protect endangered species, conserve habitat, and address the primary drivers of biodiversity loss including climate change, pollution, and habitat destruction. Type: Non-profit environmental advocacy organization (501(c)(3)) with an affiliated 501(c)(4) advocacy arm Policies: Pursues stronger endangered species protections and listings, expanded habitat and public lands protections, restrictions on fossil fuel development and greenhouse gas emissions, limits on pesticides and toxic pollution, ocean and marine species conservation, biodiversity-informed land-use policy, and enforcement of environmental laws through litigation and regulatory advocacy. Funding: Primarily funded by individual donations and grassroots contributions, private foundation grants, philanthropic support, and occasional bequests; affiliated advocacy arms may receive separate contributions. Affiliates: Center for Biological Diversity Action Fund (affiliated 501(c)(4)), allied conservation NGOs, networks of conservation scientists and public-interest attorneys, and leaders associated with the organization such as its co-founders and senior staff.