My cravings for meat are well-known to regular readers (hi mum!). But as a self-righteous vegetarian, I refuse to dine on murdered animals. Those beliefs are now being challenged by a heretic: cultivated meat. Cultivated meat, also known as cultured meat, brings the farm to the lab. Cells are collected from an animal, grown in vitro, and then shaped into familiar forms of edible flesh. Industry advocates proffer myriad benefits — and needs. According to the UN, around 80 billion animals are slaughtered each year for meat. This livestock produces an estimated 14.5% of global greenhouse gasses, grazes across 26%…

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