El Niño has been occurring naturally for more than 10,000 years. https://en.wikipedia.org/wiki/El_Ni%C3%B1o%E2%80%93Southern_...
El Niño has been occurring naturally for more than 10,000 years. https://en.wikipedia.org/wiki/El_Ni%C3%B1o%E2%80%93Southern_...
The frequency and magnitude of the event is directly related to the warming up of climate