Description: Every three to seven years, El Nino disrupts weather all over the globe, second only to the change of seasons in its influence on the climate. The 1997-1998 El Nino caused devastating flooding and mudslides in California, crushing tornados in Florida, and erractic weather throughout the entire country. It can be blamed for numerous deaths and disruptions in ecosystems, and has caused millions of dollars of damage. With the help of carefully selected photographs and clarifying charts and maps, Caroline Arnold gives answers to many questions about El Nino: what it is, how it forms, how it influences weather patterns, how scientists track it, and what its effects are.

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