Skip to main content
Back to Show
PBS News Hour

What to know as a giant mass of seaweed is coming to shore

The Great Atlantic Sargassum Belt, a 5,000-mile-long belt of seaweed weighing more than 11 million tons, is threatening to wreak havoc in the coastal waters and beaches of the Atlantic Ocean. It's so big that it can be seen from space, spanning the tropical Atlantic from West Africa to the Caribbean. Oceanographer Ajit Subramaniam joins John Yang to discuss.

Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By
Season
June 4, 2025 - PBS News Hour full episode
57:46
June 4, 2025 - PBS News Hour full episode
June 3, 2025 - PBS News Hour full episode
57:46
June 3, 2025 - PBS News Hour full episode
June 2, 2025 - PBS News Hour full episode
57:46
June 2, 2025 - PBS News Hour full episode
June 1, 2025 - PBS News Weekend full episode
24:09
June 1, 2025 - PBS News Weekend full episode
May 31, 2025 - PBS News Weekend full episode
24:09
May 31, 2025 - PBS News Weekend full episode
May 30, 2025 - PBS News Hour full episode
56:34
May 30, 2025 - PBS News Hour full episode
May 29, 2025 - PBS News Hour full episode
57:46
May 29, 2025 - PBS News Hour full episode
May 28, 2025 - PBS News Hour full episode
57:46
May 28, 2025 - PBS News Hour full episode
May 27, 2025 - PBS News Hour full episode
57:46
May 27, 2025 - PBS News Hour full episode
May 26, 2025 - PBS News Hour full episode
57:46
May 26, 2025 - PBS News Hour full episode
May 25, 2025 - PBS News Weekend full episode
26:45
May 25, 2025 - PBS News Weekend full episode
May 24, 2025 - PBS News Weekend full episode
26:45
May 24, 2025 - PBS News Weekend full episode
Active loading indicator