evidence: Keeping global warming below 2 degrees, but preferably 1.5, was the centerpiece goal of the Paris Agreement, which most of the world’s nations signed onto in 2015. Scientists are more concerned with multi-year warming above these thresholds, but the 12-month record shows the world is fast approaching the Paris Agreement’s limits. [...] Extreme weather events already made more frequent and severe by long-term global warming are now being supercharged by El Niño, scientists say. The combination of the two has proved particularly destructive.