US grass-fed beef is as carbon intensive as industrial beef and ≈10-fold more intensive than common protein-dense alternatives | PNAS - discu.eu

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US grass-fed beef is as carbon intensive as industrial beef and ≈10-fold more intensive than common protein-dense alternatives | PNAS https://www.pnas.org/doi/10.1073/pnas.2404329122 167 comments 17/3/2025 science