A San Diego scientist and an Australian businessman are finding a way to produce a seaweed that nearly eliminates the production of methane in a cow’s stomach. KPBS sci-tech reporter Thomas Fudge tells of the plan that could dramatically reduce the volume of a very potent greenhouse gas.
"But nature’s created the beautiful arrangement that this seaweed produces these quite powerful inhibitors that block that enzyme in cows," Meller said. Meller lives in the U.S. but has production facilities in New Zealand and his native Australia. He speaks in a broad Australian accent, pronouncing the word methane,Meller said stopping the creation of methane in a cow has no unhealthy side effects. In fact, he and others say preventing the emission of methane as a waste product means the cow retains more carbon and doesn’t need to eat as much to stay healthy.
Smith is trying to optimize the production potential of the plant. The key is to find the best strain of asparagopsis for farming. Asparagopsis is not cattle feed. It’s an additive that Meller said is less than 1% of what the cow actually eats. Even so, CH4 Global and companies like it would have to be able to make a lot of it, at a low enough price, to supply the world’s cattle farms with a meaningful amount.
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