Thursday, January 14, 2021 Joseph R. Biden Jr.’s inauguration on January 20, 2021 as the forty-sixth President of the United States could usher in a sweeping period of environmental regulatory changes vastly eclipsing those of his immediate predecessor – and perhaps even those of President Barack Obama. Further, with key Senate victories in January by Jon Ossoff and Raphael Warnock in Georgia, a Democrat-controlled Congress is better situated to help the President-elect achieve the environmental goals he’s promised would be a focus of his administration. Regulated industries can expect the new administration to consider action on climate change, environmental justice, chemicals regulation, wetlands/waters of the United States, and endangered & threatened species. Although some of these actions may be complex, look for key Trump administration rules to be rolled back and replaced and new rules and legislation to be proposed. Below we provide a brief overview of key environmental policy initiatives poised for action under a Biden administration: