Skip to main content
Back to Show
PBS News Hour

Farmers turn to seaweed to reduce methane emissions

As the world races to curb climate change, scientists are taking aim at cows, a surprisingly potent source of greenhouse gases. Science correspondent Miles O’Brien traveled from California to Mexico and Australia to explore a bold idea that could make a big impact. It's part of our series, Tipping Point.

Support Provided By
Season
November 19, 2025 - PBS News Hour full episode
57:46
November 19, 2025 - PBS News Hour full episode
November 18, 2025 - PBS News Hour full episode
57:46
November 18, 2025 - PBS News Hour full episode
November 17, 2025 - PBS News Hour full episode
57:46
November 17, 2025 - PBS News Hour full episode
November 16, 2025 - PBS News Weekend full episode
26:31
November 16, 2025 - PBS News Weekend full episode
November 15, 2025 - PBS News Weekend full episode
26:46
November 15, 2025 - PBS News Weekend full episode
November 14, 2025 - PBS News Hour full episode
57:46
November 14, 2025 - PBS News Hour full episode
November 13, 2025 - PBS News Hour full episode
57:46
November 13, 2025 - PBS News Hour full episode
November 12, 2025 - PBS News Hour full episode
57:46
November 12, 2025 - PBS News Hour full episode
November 11, 2025 - PBS News Hour full episode
57:46
November 11, 2025 - PBS News Hour full episode
November 10, 2025 - PBS News Hour full episode
57:46
November 10, 2025 - PBS News Hour full episode
November 9, 2025 - PBS News Weekend full episode
26:45
November 9, 2025 - PBS News Weekend full episode
November 8, 2025 - PBS News Weekend full episode
26:44
November 8, 2025 - PBS News Weekend full episode
Active loading indicator