The world's billion-and-a-half cows produce huge amounts of methane, a gas that contributes to global warming. Methane is made in cows’ guts as they digest their food. When they burp and fart, they spew the gas into the air. Now, scientists have found a simple, unexpected way to reduce methane production in cows. Listen to learn about a surprising solution to the problem of gassy cows and how it may help address climate change.
Story Length: 1:37
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