World-wide, meat production is responsible for more greenhouse gases than our entire transport infrastructure. A national approach to reducing meat consumption could have a huge effect.

”Consistent evidence indicates that, in general, a dietary pattern that is higher in plant-based foods, such as vegetables, fruits, whole grains, legumes, nuts, and seeds, and lower in animal-based foods is more health promoting and is associated with lesser environmental impact than is the current average U.S. diet,” the panel said.

Source: USDA: We will not steer people away from meat to protect the environment – The Washington Post