El Nino's weren't identified until 1986, far into the industrial age. With less than 35 years of data it's unrealistic to come to any conclusion other than many more decades, or even centuries, of data are needed to see long term trends.
El Nino's weren't identified until 1986, far into the industrial age. With less than 35 years of data it's unrealistic to come to any conclusion other than *many* more decades, or even centuries, of data are needed to see long term trends.
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