Scientists have linked a "super El Niño" event to a historic mass die-off, and now a new El Niño event is potentially developing, which could bring record heat. The strength and potential impact of this new event are being monitored, with some reports suggesting it could become one of the strongest on record. The possible effects of a "super El Niño" on global climate and weather patterns are being assessed, with potential implications for North America and the world.