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

  • June 19, 2025 - PBS News Hour full episode: asset-mezzanine-16x9

    June 19, 2025 - PBS News Hour full episode

    S2025 E170 - 57m 46s

    Thursday on the News Hour, Israel threatens to kill Iran's supreme leader after an Iranian missile hit a hospital in the country's south, we unpack more of what's in congressional Republicans' massive budget bill and two men team up to make a grilling product entirely in the U.S., a journey that highlights the hurdles businesses are facing in the wake of President Trump's tariffs.

  • June 18, 2025 - PBS News Hour full episode: asset-mezzanine-16x9

    June 18, 2025 - PBS News Hour full episode

    S2025 E169 - 57m 46s

    Wednesday on the News Hour, the Supreme Court upholds a Tennessee law banning gender-affirming care for transgender minors, Iran rejects President Trump's calls for surrender as it faces more bombardment from Israel and the murder of Minnesota Democrats highlights the increasing problem of misinformation on social media.

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