Cuts

Here’s what you need to know: A UK café experiment shows that making oat milk the default option can slash the carbon footprint of cafe drinks by up to 34%. Researchers at Plymouth Marjon University tested this by switching oat milk to the default at one campus café, while a second café served as a control. The results? Plant-based milk use tripled in just weeks, with carbon savings matching the scale of the shift. The study, published in Global Environmental Psychology, used an ABAB design to track changes over time. Before the default nudge, plant-based milk accounted for just 16.6%…