FILE PHOTO: United Nations Secretary-General Antonio Guterres is seen on a video screen during a virtual climate summit, known as the Petersberg Climate Dialogue, in Berlin on April 28, 2020. Michael Kappeler/Pool via REUTERS
U.N. Secretary-General Antonio Guterres warned on Tuesday that the world faces a “generational catastrophe” because of school closures amid the coronavirus pandemic and said that getting students safely back to the classroom must be “a top priority.”