Winters have gone and we all are gearing up to beat the heat this summer season. Heat wave warnings have already started to scare us all. The World Meteorological Organization (WMO) warned of a warming El Niño event developing in the coming months, which is likely to cause extreme heat waves, making 2023 even hotter than 2022.  But what is El-Nino? Why are we hearing about it more often now? What impact is it likely to cause in India and across the world and what is its relation to climate change? Host Sneha Richhariya explains.

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