Meat and dairy production are among the biggest contributors to global emissions. And many companies are increasingly aware of their climate impacts—and eager to take action. But according to new research released today, the majority of the sustainability claims and commitments made by meat and dairy companies can be considered greenwashing. The production of meat for human and animal consumption is responsible for 57% of total global food production emissions, while the global dairy sector alone contributes to 4% of global emissions . The world’s top five emitting companies—JBS, Marfrig, Tyson, Minerva, and Cargill—were responsible for an estimated 496 million tonnes of greenhouse gases in 2023, more than reported for Chevron, Shell, or BP.   “Meat and dairy companies are under a lot of scrutiny and pressure to speak about the environment,” says Jennifer Jacquet, professor of environmental science and policy at the University of Miami, and one of the study's authors.  The researchers, whose…