Per Gram

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Carbon, protein and what the receipt actually says. Working notes from the people building Per Gram.

Which protein has the lowest carbon footprint? A per gram ranking Beef, chicken, eggs, tofu, lentils and more, ranked by kg CO2e per 100 g of protein. See which foods give you the most protein for the least carbon. 16 October 2026 · protein · carbon footprint · sustainability · B3TR · VeBetterDAO