The consumption of meat and dairy is at the center of most debates about sustainable diets because of the high environmental impact of livestock production. In the Climate Change Committee Sixth Carbon Budget report (2020) one of the actions proposed to put the UK on a pathway to achieve Net Zero by 2050 is to reduce consumption of meat and dairy by 20% by 2030, raising to 35% cut in meat by 2050. Eating less meat, especially red and processed meat, can also have health benefits, such as lowering the risk of some non-communicable diseases. However, these health and environmental benefits need to be assessed in the context of the foods that are replacing meat and the overall composition of the whole diet. Plant-based foods and meals cover a very wide spectrum in terms of healthiness, and while many of the alternatives are healthy increasingly there is a greater availability...

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