El Niño is set to disrupt the world’s weather again. This year’s
reversal of Pacific equatorial currents has raised sea surface temperatures near
the shores of South America by 5 °C. The US National Oceanic and Atmospheric
Administration says this is the highest since the huge El Niño of
1982-83, which disrupted climate around the world, triggering drought and
massive bush fires in Australia and Indonesia.
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