Powerful El Nino to intensify heat on ‘a planet already on fire’: UN UN chief Guterres calls for halt to new fossil fuels as El Nino induces heatwaves, floods, and drought worldwideShare this: UN warns El Nino could be ‘off the charts’, strongest in decadesDateSeptember 3, 2026In relation toAl-JazeeraUN warns likelihood of ‘extreme weather events’ as El Nino set to intensifyDateJuly 3, 2026In relation toAl-JazeeraUN tells world to brace for extreme weather as El Nino loomsDateJune 2, 2026In relation toAl-Jazeera