Sunday, May 12, 2024

Reducing the food component of your carbon footprint


 Mt. Meager
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atercolour and crayon
©2020 Charlene Brown

A Canada/UKstudy published in Nature Food, a peer-reviewed online journal covering research, reviews and comment on all aspects of food production, processing, distribution and consumption, outlined the environmental and nutritional benefits of reducing consumption of red meats (significant) and dairy products (not so much).

They found that replacing half of the red meat in the average Canadian diet with plant proteins would shrink an individual’s food-related carbon footprint by a striking 25%. But replacing half the dairy products with plant alternatives only erased 5% of dietary emissions.

The relatively small size of the environmental gains for dairy substitutes were put into perspective when they were weighed against some of the nutritional losses which would result from such a shift.  

The most striking figure was that a 50% dairy replacement would lead to a 14% increase in the number of people experiencing a calcium deficit in Canada—an ingredient that is critical for the growth of healthy muscles and bones.

The study produced much more detail, and many more measurements, ratios, and percentages, but I am only mentioning the most easily interpreted results   ̶  coincidentally, the results which lead to dietary recommendations I agree with.  To a certain extent, I'm already following these recommendations in an effort to reduce my own carbon footprint. It’s not difficult to eat red meat less frequently, but I’d hate to try to live without cheese.

I’ve used the painting of Mt. Meager to illustrate this post because it seems to be my only painting that includes livestock. They started out as horses (by no mean a significant part of the Canadian diet) but for now they are going to be cattle.