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Reducing a diet's meat consumption can have a beneficial environmental impact, according to researchers.

Boosting an intake of plant-based foods while consciously limiting - but not cutting out - meat is known as a flexitarian diet.

But if plenty of people's diets already feature both food types, can it be considered a thing?

Mark Breen is a chef from Birmingham and insists being a flexitarian has benefits beyond "half-hearted vegetarianism".