04.02.2021

Opinion: How sustainable is our meat? Depends on the metrics

Livestock play a vital role in sustainability, but great care must be taken when developing and using metrics to ensure they are based on balanced evidence and proper scientific appraisal.

For example, scientists looking at the effect livestock consumption is having on the planet often use the single measure of carbon dioxide production per kilogram of food produced.

But this is not a fair comparison, as 1kg of beans is completely different to 1kg of beef in the nutrients it provides.

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