Climate change and invasive species are jeopardizing already endangered and threatened species, prompting the U.S. Fish and Wildlife Service (FWS) to finalize its 2023 rule allowing experimental populations to be introduced into habitat outside their historical range, as long as the areas are capable of supporting the experimental population.

Since passage of the early natural resource protection laws and regulations in the United States decades ago, legal, technical, and economic practitioners have been challenged with understanding the ever-changing and ever-evolving environmental law and policy landscape. Riveting changes have advanced the position of natural resources and related matters of conservation and biodiversity across domestic and international agendas, in corporate, government, and public interest agendas, and in the lives of everyday citizens.