Mains issueGS-3News & Analysis17 October 2026

Global Implications of El Nino and Extreme Weather Events

Aspirants should be able to explain the mechanism of El Nino, analyze its diverse socio-economic and environmental impacts across different regions, and discuss preparedness and mitigation strategies in the context of increasing extreme weather events.

Source: thehindu.comOriginal report

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Why now

The current El Nino event is causing severe flooding in South America, impacting livelihoods and infrastructure, and is projected to be one of the strongest on record, highlighting the urgent need to understand and manage its widespread global consequences.

Core issue

Heavy rains linked to the El Nino phenomenon are causing severe flooding across Argentina, Paraguay, and Uruguay, forcing thousands of residents to evacuate and impacting agriculture and tourism. Major rivers like the Parana, Uruguay, and Iguazu are overflowing, with the current El Nino projected to be one of the strongest on record. The article also highlights El Nino's broader global impacts, including projected heat deaths in India and drought in Southeast Asia.

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