In a stark warning, the United Nations chief said on Tuesday that the combined impact of climate chaos and food crises are increasing threats to global peace. Speaking at the UN Security Council in New York, Antonio Guterres said climate disasters have a negative impact on food production which kindles social unrest. “A global food crisis is creating a hellscape of anger and heartache for many of the world's poorest people. And the climate crisis is accelerating with the deadly force, and last year was the hottest ever.”“Both of these facts undermine peace. “In many places, climate disasters add another dimension.