What Seaweed and Cow Burps Have to Do with Climate Change – Ermias Kebreab – TED Countdown

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Scientists have long known that cows are a huge source of the greenhouse gas methane, contributing up to four percent of emissions globally. But could there be a way to make cattle less — ahem — gassy? Animal scientist Ermias Kebreab talks through an ingenious solution to reduce methane-rich cow burps by feeding cattle something growing below the surface of the ocean: seaweed.

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Watch more: https://go.ted.com/ermiaskebreab

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