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Human Emissions Alter Pacific Decadal Oscillation, Intensify Droughts

8/14/2025

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Summary

Story summary

Research shows human emissions significantly affect the Pacific Decadal Oscillation (PDO), contradicting the view of it as purely natural.
This impact increases PDO variability and worsens drought conditions in the American West.
Climate models should incorporate these findings to enhance predictions and guide regional climate management.

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Story summary

Research shows human emissions significantly affect the Pacific Decadal Oscillation (PDO), contradicting the view of it as purely natural.
This impact increases PDO variability and worsens drought conditions in the American West.
Climate models should incorporate these findings to enhance predictions and guide regional climate management.