Burger King Wants to Change the Way Cows Eat, Reducing Emissions by 33%

The chain's research, promoted with an ad from Michel Gondry, will be made open source

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Scientists have come up with a diet hack for cows that can reduce the animals’ methane emissions by more than a third, and Burger King will be the first brand to sell the better-for-the-planet beef, starting today.

Spoiler: A small dose of lemongrass leaves does the trick, cutting bovine emissions by 33% a day, according to research that the chain and its parent company, Restaurant Brands International, will make public and offer free to any company that wants it.

The open-source approach is “a rallying cry” for others to jump on the sustainability bandwagon and begin to tackle a major source of environmental damage, said RBI global CMO Fernando Machado.

“This process is about collaboration and sharing, and it’s not a stunt.
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