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TV Web Markers: El Niño's Reach Across the Globe | El Niño's Ground Zero | Global Weather Machine | El Niño's Reach through Time | El Niño's Reach into Living Things

Next to the seasons, El Niño is the most powerful force driving global weather. Find out what scientists are learning about this mysterious weather phenomenon and its reach through space and time.

Photo: NASA Goddard Space Flight Center.

Anatomy of El Niño | Chasing El Niño | El Niño's Reach
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