It’s a wispy red seaweed that can cut cattle methane emissions 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.

Go behind the scenes with host Elise Hu

The “Resolve to Solve with Miles O’Brien Podcast” is the official companion podcast of the documentary series.
In this podcast episode, Miles takes this opportunity to recount his decades-long friendship with the innovator behind this solution, Joan Salwen.
Elise asks about the obstacles keeping this solution from widespread implementation, and Miles explains the challenges regarding classification and FDA approvals in the United States.





