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.

Farmers turn to seaweed to reduce methane emissions

7m 45s

  • May 12, 2025 - PBS News Hour full episode: asset-mezzanine-16x9

    May 12, 2025 - PBS News Hour full episode

    S2025 E132 - 57m 46s

    Monday on the News Hour, global markets surge as the United States and China announce a deal to roll back steep tariffs, for now. Hamas releases the last living American hostage held in Gaza in what's being described as a gesture of goodwill toward the Trump administration. Plus, the president signs an executive order attempting to lower drug prices in line with what other countries pay.

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