AP Exclusive: Departing UN chief calls this ‘a moment of truth’ in fight to curb global warming

UNITED NATIONS (AP) — As United Nations climate talks kick off in Turkey on Monday, Secretary-General António Guterres has an urgent message for world leaders: “This is a moment of truth.” He’s delivered variations of this ominous warning about climate change, caused by the burning of fossil fuels like oil and gas, in the past decade, often with increasingly hyperbolic language. Three years ago,…