UN Secretary-General António Guterres has called for the global expansion of warning systems for extreme weather events during the COP27 UN Climate Change Conference in Egypt on Monday. The equivalent of €3.1 billion ($3.1 billion) should be invested by 2027, according to the World Meteorological Organization (WMO), which developed the UN initiative Early Warnings for All. The goal is to put every single person under the protective umbrella of such systems by then, Guterres said. “Ever-rising greenhouse gas emissions are supercharging extreme weather events across the planet,” Guterres said in…