El Niño and La Niña conditions occur when abnormally warm or cool waters accumulate in tropical latitudes of the central and eastern Pacific Ocean. The Oceanic Nino Index is the tool NOAA scienitsts use to watch for these temperature changes. 

The Department of the Interior (DOI), Environmental Protection Agency (EPA), and the National Oceanic and Atmospheric Administration (NOAA) today recognized four collaborative landscape...

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