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Curbing California Cow Burps: The Answer In The Sea

cows_on_farm.jpg
Erich Ferdinand, CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=63988292
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Methane is perhaps the most potent of greenhouse gases, and California has 1.8 million emitters of methane walking around on four legs.  Dairy cows "give off" methane in ways you'd expect (think the back end), and ways you might not: they burp. 

Cow burps are methane-rich.  But experiments at the University of California-Davis show that the addition of just a little seaweed to a cow's diet can greatly reduce the burps.  Animal science professor Ermias Kebreab did the research and is our guest.  

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Geoffrey Riley is a graduate of the University of Missouri School of Journalism and has hosted the Jefferson Exchange on JPR since 2009. He's been a broadcaster in the Rogue Valley for more than 35 years, working in both television and radio.