FILE- A line of Holstein dairy cows feed through a fence at a dairy farm on March 11, 2009, outside Jerome, Idaho. Greenhouse gas emissions from the way humans consume food could add nearly one degree of warming to the Earth’s climate by 2100, according to a new study Monday, March 6, 2023. Researchers found that the majority of greenhouse gas emissions come from three major food groups — meat from animals like cows, sheep and goats, dairy and rice. (AP Photo/Charlie Litchfield, File)