What Is El Niño? And why it could cause chaos this year

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  Grainger, for the ones who get it done.

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  You're probably no stranger to stories of extreme weather events, floods, wildfires, destruction.

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  And I don't want to alarm you,

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  but this year we are going to have a massive weather event called El Niño,

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  which is when parts of the Pacific Ocean warm up and that has knock-on effects for the rest of the planet.

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  And this year is going to be one of the biggest ones on record.

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  So today we're going to break down exactly what El Niño is, as well as its sister weather phenomenon, La Niña,

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  and you're going to hear how countries around the world are trying to prepare for it.

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  I'm Hannah and this is What in the World from the BBC World Service.

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  First, let's hear how El Niño is affecting you.

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  Here's Drishti in Nagpur in India.

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