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Data Starter: Carbon Footprints of protein-rich foods

Elizabeth Veal

11th July 2025

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Which protein-rich foods contribute the most to climate change?

Using the OurWorldinData chart, answer the following questions:

  1. Compare the average CO2 emissions of the top three contributors with the average of the lowest three contributors.
  2. How much tofu can be consumed on average to emit the same CO2 as consuming 100g of protein from beef?

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Elizabeth Veal

Liz has taught Economics for over 25 years, including several years as Head of Economics at leading schools.

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