UN chief warns of ‘point of no return’ on climate change

UN Secretary-General Antonio Guterres arrives for a news conference Sunday at the COP25 summit in Madrid, Spain. (AP Photo/Paul White)

MADRID — U.N. Secretary-General Antonio Guterres said Sunday that the world’s efforts to stop climate change have been “utterly inadequate” so far and there is a danger global warming could pass the “point of no return.”