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Fighting Cow Methane With Seaweed

Season 1 Episode 1

It’s a wispy red seaweed that can cut cattle methane by 50, 80, even 98%. Miles O’Brien travels from a Marin County, California, dairy to seaweed farms in Mexico, a UC Davis research barn, and an Australian burger joint to trace how one entrepreneur’s gut instinct and a handful of scientists are racing to scale a climate fix that fits in a cow’s lunch.

Aired: 08/09/26
Made possible in part by support provided by Sue Hart-Wadley and Searle Wadley with additional support from Jerry Cox.
Extras
The relocation of jaguars is part of an attempt to rewild the Iberá Wetlands of Argentina.
Extreme heat is the deadliest climate issue, and scientists struggle to cool things off.
Miles O'Brien travels the world searching for solutions to today’s most urgent challenges.
Miles O'Brien travels the world searching for solutions to today’s most urgent challenges.
A PBS show inspired a career transition from working with nuclear weapons to studying beavers.
Cow burps are heating the planet. One dairy farmer’s seaweed fix might cool it down.
The mayor of New Bedford, Massachusetts, bets his city's future on offshore wind.
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