 On April 19, 1972 the Supreme Court affirmed 4-3.Writing for the Court, Justice Potter Stewart, joined by Justices Byron White, Thurgood Marshall, and Chief Justice Warren E. Burger, agreed with the Ninth Circuit that the Sierra Club had not alleged any legal interest in the case.Because the Constitution's Case or Controversy Clause prohibits advisory opinions, the Court reasons that the legal wrongs protected by the Administrative Procedure Act must at minimum meet the prevailing constitutional requirements of standing.