"The baseline use of plant-based milk prior to instituting oat milk as the default was 16.6%. That jumped to 51.9% when baristas informed guests oat milk was the default option."
"Using two different reference data sets, the estimated average milk footprint dropped from roughly 0.79 kilograms of CO2-equivalent per drink in the first baseline phase to about 0.56 in the first oat-default phase."
"The research team applied published greenhouse gas emissions data for dairy, oat and other milk types used, producing an estimated 'milk-based carbon footprint per drink.'"
A UK study found that making oat milk the default option in cafes increased plant-based milk usage from 16.6% to 51.9%. This change, termed a 'default nudge', resulted in a 25-34% reduction in the carbon footprint per drink. The study utilized an 'ABAB' experimental design at the Barjon cafe, with a comparison cafe showing no significant change. The research aimed to support university net-zero greenhouse gas emission goals by analyzing the carbon footprint of different milk types.
Read at Daily Coffee News by Roast Magazine
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