El Niño Intensifies, Potentially Linked to Climate Change

Aug 27, 2026

85 min

Aug 27, 2026 19:31

El Niño is getting stronger — and climate change may be why

## Study Highlights El Niño's Growing Strength

Recent research indicates that El Niño events are becoming more intense, potentially due to human-induced climate change. These natural phenomena, which cause temporary warming in the equatorial Pacific, have increased in strength by over 36% since the mid-1800s. The last 40 years alone have seen a 16% rise, suggesting an acceleration in their intensity.

## Global Impact and Economic Costs

El Niño events significantly alter global weather patterns, leading to extreme conditions such as heatwaves, floods, and droughts. These changes can result in substantial economic damage, costing trillions worldwide. The current El Niño, which began a few months ago, is predicted to be one of the strongest on record.

## Research Methodology and Findings

The study, published in the journal Science, utilized coral records spanning 900 years to analyze past El Niño events. Researchers measured the ratio of calcium and strontium in coral skeletons to infer historical sea temperatures. The findings suggest a correlation between the increasing strength of El Niño and rising global temperatures due to human activities like fossil fuel burning.

## Scientific Debate

While some scientists support the study's conclusions, others are skeptical, citing conflicting recent observations. Critics argue that the coral data may reflect general warming trends rather than specific changes in El Niño patterns. Despite differing opinions, there is consensus on the urgent need to address climate change.

## Future Implications

Experts warn that stronger El Niño and La Niña events could exacerbate weather and climate extremes in the future. This underscores the importance of reducing fossil fuel use to mitigate these impacts. The study's lead author emphasizes that there is no simple solution to slowing down El Niño's intensification.

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