Corals Reveal El Niño Events Have Become Stronger in Recent Decades, Probably Because Humans Have Been Heating Up the Planet
Researchers used elements trapped within Galápagos corals to understand natural swings in the climate over the past millennium. They hint that variability has gone up over the past 40 years compared to preindustrial times
We haven't written up this one. Smithsonian has the full story — the link below goes straight to it.