
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.