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A Sea of Hope

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Comstock Magazine

Photo by Debbie Cunningham

Comstock Magazine

A Sea of Hope: Can seaweed reduce the greenhouse gas emissions of California’s dairy industry?

By Jennifer Fergesen

Excerpt from article

‘An essential role in reversing climate change’

Straus Family Creamery founder and CEO Albert Straus isn’t waiting. He plans to incorporate Brominata into the everyday diet at Straus Dairy Farm by the end of 2023, part of his goal to make the farm carbon neutral by that deadline. By the end of the decade, he also hopes to encourage the rest of the family farms that supply the company to adopt the additive. They may be incentivized to do this by receiving carbon credits and selling them on the market for extra income. (Farmers can already sell carbon credits if they install a methane digester and qualify through the California Air Resources Board’s Low Carbon Fuel Standard.)

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A person wearing a hat, gloves, and work clothes stands at an outdoor research station at Correia Family Dairy, pouring a reddish liquid into a large funnel-shaped container connected to hoses and pipes. Several plastic sample bottles sit on the ground nearby, and shade cloths overhead provide cover. The setup includes pumps, tubing, and monitoring devices, suggesting a water, soil, or nutrient treatment experiment.

These very hungry microbes devour a powerful pollutant

PETALUMA, Calif. — The cows had to be deterred from messing with the
experiment.

Researchers from a Bay Area technology company had come to the sprawling
dairy farm north of San Francisco to test an emerging solution to planetwarming emissions: microscopic pink organisms that eat methane, a potent
greenhouse gas.

Kenny Correia, 35, of Correia Family Dairy, watched the team from Windfall Bio
working near the lagoons used to store manure from the farm’s several hundred
cows. The researchers erected a futuristic system of vats, pipes, tubes and shiny
metal supports. Then, when everything was assembled, they poured pink liquid
into one of the vats. “They were looking like mad scientists out there,” Correia
recounted.

He acknowledged initially thinking it was a “crazy idea” to integrate an outdoor
laboratory into a working farm. There was the potential for the cows to “be all
over it — licking it, pulling out wires and scratching on it,” he said.
But livestock farms are a significant source of methane emissions, and Windfall
wanted to see how much the microbes could help.

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December 8, 2025
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