Researchers at the Johns Hopkins University found placing “high climate impact” labels next to hamburgers caused orders of non-beef alternatives such as veggie burgers to increase by 23% compared to a control group. They also found that placing "low climate impact” next to dishes with a lower carbon footprint, such as salads and chicken sandwiches, increased orders of those items by 10%.
“These results suggest that menu labeling, particularly labels warning that an item has high climate impact, can be an effective strategy for encouraging more sustainable food choices in a fast food setting,” the study’s lead author, Julia Wolfson, a professor at the Johns Hopkins Bloomberg School of Public Health, said last Thursday
in a press release.