Product type matters, but farming method, land-use change, feed, energy, packaging, transport, refrigeration, and waste also affect the result. Comparisons should use the same lifecycle boundary and functional unit.
Why food footprints vary
Practical food choices
- Plan purchases and store food correctly to reduce waste.
- Include more plant-based meals where appropriate.
- Choose seasonal products and avoid unnecessary air freight.
- Use portions and leftovers deliberately.
CarbonCAM's current mobile release does not analyze meal photos or calculate dietary emissions.
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