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Meat's carbon footprint varies by U.S. city due to farming and supply chains, with poultry cuts emissions more than beef.
A new study in Nature Climate Change reveals that the carbon footprint of meat consumption varies widely across U.S. cities, with emissions driven more by regional farming practices, feed sourcing, and supply chain efficiency than by how much meat people eat.
Researchers mapped the environmental impact of beef, pork, and chicken across 3,531 cities, finding that some high-consumption cities like Milwaukee and Houghton have lower emissions due to sustainable ranching and local sourcing.
The study highlights that shifting from beef to poultry could cut urban meat-related emissions by up to 51%, comparable to major energy upgrades, and calls for city-specific climate policies that support rural sustainability through funding and technology.
La huella de carbono de la carne varía según la ciudad estadounidense debido a la agricultura y las cadenas de suministro, con aves de corral que reducen las emisiones más que la carne de res.