Cow milk is more emission-intensive than pork, chicken, or eggs. It's second only to beef among livestock products. Beef greenhouse gas emissions (in million metric tonnes CO2e): 3,048. Milk: 1,846. Pig meat: 721.

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Cow milk is more emission-intensive than pork, chicken, or eggs. It's second only to beef among livestock products. Beef greenhouse gas emissions (in million metric tonnes CO2e): 3,048. Milk: 1,846. Pig meat: 721.