amy: we want to thank shaun burnie shaun burnie for being with us.npeace who is just back right now from ukraine where he investigated what took place at chernobyl and is talking about the situation at zaporizhzhia. we will link to your greenpeace report investigation inside the chernobyl exclusion zone. dr. ira helfand, stay with us as we talk further about the threat of nuclear war. stay with us. ♪♪ [music break] amy: "eve of destruction" by barry mcguire. this is democracy now!, democracynow.org, the war and peace report. i'm amy goodman with nermeen shaikh. the united nations secretary-general antÓnio guterres warned this week that humanity is "one miscalculation away from nuclear annihilation." he made the comments at the opening of a major u.n. gathering in new york to review the nuclear non-proliferation treaty. the meeting comes at a time when tensions are escalating between the united states and two other nuclear powers, russia and china. this is part of antÓnio guterres's remarks. >> the cloud that started following the end of the cold war