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Context

• According to Researchers, Global heating to drive stronger La Niña and El Niño events by 2030.

Comprehensive Article on ENSO: https://www.iasgyan.in/daily-current-affairs/enso-39

Findings of new Research

• Researchers have analysed 70 years of reliable sea surface temperature records in the Pacific Ocean to model changes in the El Niño-Southern Oscillation (Enso) under current projections of global heating.
• Previous research had suggested that climate change-driven variability of ENSO events would not be detectable until 2070.
• New findings: ENSO variations would be detectable about 40 years earlier than suggested by previous modelling.

Implications

• We should be more prepared for prolonged droughts and extreme flooding in the future.
• Flooding is more destructive than drought in terms of infrastructure, but drought is very impactful in terms of agriculture – both sides of the coin have substantial economic losses.

https://www.theguardian.com/environment/2022/nov/17/global-heating-to-drive-stronger-la-nina-and-el-nino-events-by-2030-researchers-say

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