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Compare emissions from local food supply chains versus imported food including transport.
For many foods, production method matters more than distance. Local is not always lower carbon than imported.
2
kg CO2e
💧 550 L water
🌱 2.2 m² land
2
kg CO2e
💧 550 L water
🌱 2.2 m² land
6
kg CO2e
💧 550 L water
🌱 2.2 m² land
A common question is 'Is local food always lower carbon?' For most foods, the answer is no. The largest share of emissions usually comes from how food is produced (fertilizer use, methane from livestock, energy in processing, and land-use change), not how far it travels. This means an efficiently grown imported food can sometimes have a lower footprint than a locally grown option produced in energy-intensive conditions.
Transport mode matters more than distance alone. Sea freight is relatively efficient per kilogram, while air freight is extremely carbon-intensive. Foods flown by air can have several times the emissions of the same product shipped by sea. If you are trying to cut your food footprint, reducing air-freighted products is usually a high-impact move.
A common practical question is whether out-of-season local produce is better than imported seasonal produce. In many cases, imported seasonal food can be lower carbon than locally grown produce from heated greenhouses or long-term cold storage. The practical takeaway: prioritize low-emission foods first, then seasonal choices, then distance and transport mode.
Covers practical follow-up questions readers often ask
Use our diet calculator to get a personalized carbon footprint estimate based on your specific habits and location.
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