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Cleaner Air Linked to Increased Ocean Warming: Study

11/9/2025

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Summary

Story summary

A University of Washington study finds cleaner air reduces marine cloud reflectivity by 2.8 percent per decade over the North Atlantic and Northeast Pacific.
Cleaner air lowers aerosol particles, allowing more sunlight to reach the ocean and contribute to warming.
The study notes health benefits accompany reduced cloud brightness and longevity, potentially underestimating warming.
The findings, published in Nature Communications, call for refined climate projections to account for these changes.

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Story summary

A University of Washington study finds cleaner air reduces marine cloud reflectivity by 2.8 percent per decade over the North Atlantic and Northeast Pacific.
Cleaner air lowers aerosol particles, allowing more sunlight to reach the ocean and contribute to warming.
The study notes health benefits accompany reduced cloud brightness and longevity, potentially underestimating warming.
The findings, published in Nature Communications, call for refined climate projections to account for these changes.