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Cow Cocktails and Vaccines Join the Battle to Reach Net Zero

New Zealand is trying to cut methane emissions, which are more potent than carbon dioxide when it comes to trapping heat in the atmosphere.

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Unlike most developed economies, New Zealand is heavily dependent on agriculture, especially cows and sheep.

Unlike most developed economies, New Zealand is heavily dependent on agriculture, especially cows and sheep.

Photographer: Marty Melville/Getty Images

Cows in New Zealand are getting a cocktail typically associated with hipsters in New York or London.

Branded Kowbucha, a nod to the popular fermented drink kombucha, it’s being tested by one of the world’s biggest dairy producers, Fonterra Cooperative Group Ltd., to see if it can reduce the amount of methane burped out by the country’s 4.9 million cows.