Each year, one cow can belch 220 pounds of the greenhouse gas methane. Animal scientist Ermias Kebreab experimented with alternative cow diets and found a surprising solution: seaweed.
(Image credit: Ryan Lash/Ryan Lash / TED )
Ermias Kebreab: What do seaweed and cow burps have to do with climate change?
Each year, one cow can belch 220 pounds of the greenhouse gas methane. Animal scientist Ermias Kebreab experimented with alternative cow diets and found a surprising solution: seaweed.
(Image credit: Ryan Lash/Ryan Lash / TED )
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