For decades, courts have deferred to federal agencies when interpreting vague statutes. What constitutes the “take” or killing of an animal? What does it mean to maintain a wildlife population’s viability? What does “multiple use” mean when it comes to managing Forest Service or Bureau of Land Management lands? But a recent ruling by the U.S. Supreme Court, Loper Bright Enterprises v. Raimondo, has shifted the authority to make these decisions from the executive branch to the federal judiciary.