Ahead of the international climate conference in Egypt, UN Secretary-General António Guterres has warned of a failure to set the ambitious targets needed to fight climate change. “The 1.5 degrees are in intensive care and the machines are shaking. So it is in high danger,” Guterres said in New York on Thursday. He stressed that reaching the 1.5-degree-Celsius target set in the Paris Agreement is still possible. However, humanity is approaching a tipping point where the worst effects of the climate crisis would become irreversible, he said. The UN Climate Change Conference COP27 begins on Sunda…