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Climate Change Fuels Growing Sargassum Blooms Worldwide

12/10/2025

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Summary

Story summary

Climate change has driven widespread Sargassum blooms, expanding from the Sargasso Sea to coastlines across West Africa, the Caribbean, and Florida since 2011.
The blooms disrupt marine habitats and pose challenges for coastal communities.
A Nature Geoscience study led by Jung et al. identifies the nutrient sources feeding these blooms.
The findings indicate the blooms are becoming more frequent as climate change progresses.

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Story summary

Climate change has driven widespread Sargassum blooms, expanding from the Sargasso Sea to coastlines across West Africa, the Caribbean, and Florida since 2011.
The blooms disrupt marine habitats and pose challenges for coastal communities.
A Nature Geoscience study led by Jung et al. identifies the nutrient sources feeding these blooms.
The findings indicate the blooms are becoming more frequent as climate change progresses.