2023 was always going to be a hot year, given that warmer El Niño conditions were superimposed on the long-term trend of climate change driven by our greenhouse gas emissions. But it’s not clear ...

For the past few years, scientists have watched, aghast, as global temperatures have surged — with both 2023 and 2024 reaching around 1.5 degrees Celsius above the preindustrial average. In some ways, ...