El Niño is the warm phase of the Pacific Ocean’s temperature cycle, and this year’s El Niño is poised to be a big one, sending shock waves into weather patterns around the world.
Planners always knew choices would have to be made whether to keep building along the edge of the Pacific. They just didn't think it would happen so quickly.
The El Niño-Southern Oscillation, which has a huge influence on global weather patterns, isn't behaving as computer models predicted. That's puzzling scientists.
