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Website
NASA

Nasa Earth Observatory: La Nina Fact Sheet

For Students 9th - 10th
This article discusses the ocean phenomenon known as La Nina, its effects, and its formation.
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Website
University of Arizona

Backyard Gardener: La Nina Weather Conditions Jan 2000

For Students 9th - 10th
This site by Arizona Cooperative Extension discusses the strong trade winds called "La Nina," and how they effect the climate.