Journalism ResourcesElena LentzaSeptember 01, 2023United Nations, Antonio Guterres, Climate Crisis, Nuclear Threats, United Nations General Assembly Why We Are Closer Than Ever to Global Catastrophe, According to the U.N. Warnings are increasing due to recent military coups and threats posed by nuclear weapons. Journalism ResourcesElena LentzaSeptember 01, 2023United Nations, Antonio Guterres, Climate Crisis, Nuclear Threats, United Nations General Assembly