For example, from to , the U.S. dairy industry has reduced its carbon footprint by a third! 소고기 산업은 총 재고를 백만 마리 줄였지만 여전히 같은 양의 소고기를 생산하고 있습니다. A dairy cow in India contributes times as much methane and CO in comparison to a U.S. cow!