The U.S. Supreme Court's October Term 2022 had major implications for environmental law, including its most significant Clean Water Act decision ever. Upcoming cases in October Term 2023 have the potential to be just as impactful. On September 25, 2023, the Environmental Law Institute hosted a panel of experts who provided an overview of key rulings and major take-aways from the Court’s prior term, and discussed cases that have been granted review or are likely to be considered by the justices in the upcoming term. Here, we present a transcript of that discussion, which has been edited for style, clarity, and space considerations.