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.

Support Provided By
Season
September 4, 2025 - PBS News Hour full episode
57:46
September 4, 2025 - PBS News Hour full episode
September 3, 2025 - PBS News Hour full episode
57:46
September 3, 2025 - PBS News Hour full episode
September 2, 2025 - PBS News Hour full episode
57:46
September 2, 2025 - PBS News Hour full episode
September 1, 2025 - PBS News Hour full episode
57:46
September 1, 2025 - PBS News Hour full episode
August 31, 2025 - PBS News Weekend full episode
26:45
August 31, 2025 - PBS News Weekend full episode
August 30, 2025 - PBS News Weekend full episode
26:45
August 30, 2025 - PBS News Weekend full episode
August 29, 2025 - PBS News Hour full episode
57:46
August 29, 2025 - PBS News Hour full episode
August 28, 2025 - PBS News Hour full episode
57:46
August 28, 2025 - PBS News Hour full episode
August 27, 2025 - PBS News Hour full episode
57:46
August 27, 2025 - PBS News Hour full episode
August 26, 2025 - PBS News Hour full episode
57:46
August 26, 2025 - PBS News Hour full episode
August 25, 2025 - PBS News Hour full episode
57:46
August 25, 2025 - PBS News Hour full episode
August 24, 2025 - PBS News Weekend full episode
26:45
August 24, 2025 - PBS News Weekend full episode
Active loading indicator