El Niño reaches around the globe to change weather and create havoc in unexpected ways. See El Niño's effects across the globe.

El Nino has come and gone for thousands of years, perhaps more. Journey into the past with a clickable timeline and explore El Nino's reach through time.



This weather phenomenon is so powerful that it has worked its way into living things, leaving its signature in corals and tree rings around the world.


Photo: LPI/NASA.

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