The social and ecological footprint of a carne asada taco

Arizona to Antarctica

What is the ecological footprint of your lunch today? Seriously, think about what you brought with you, or where you went out to today. How much land was required to grow the crops or raise the animals involved? How much water did they require? What additional processes go into that food beyond just growing it, like the oil burned to ship ingredients to you?

Driving in to Hermosillo for a visit last year, the view through my windshield at a traffic light. Driving in to Hermosillo for a visit last year, the view through my windshield at a traffic light.

If you live in Tucson or in Hermosillo (or really in any city with increasing food cart culture now), your routine might include a visit to the nearest taco cart for some carne asada. And a team of researchers have now calculated the ecological footprint of all the carne asada from taco carts in Hermosillo. Their results will appear in a special issue of the Journal of the…

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