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The Great Atlantic Sargassum Belt

Earth Wise by Earth Wise

Oct 17, 20252:00Education

Sargassum is a free-floating brown seaweed that can drift together in vast mats, sometimes stretching for miles across the ocean’s surface. For centuries, these blooms have been a natural part of the Atlantic, creating f...

About This Episode

The Great Atlantic Sargassum Belt is an episode from Earth Wise by Earth Wise. Sargassum is a free-floating brown seaweed that can drift together in vast mats, sometimes stretching for miles across the ocean’s surface. For centuries, these...

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Episode Details

Published Oct 17, 2025, 2:00 long, audio available.