In the 1970s film Soylent Green it’s people themselves who are turned into food to keep a future population from starvation. Now we’re having artificial meat promoted as a way to feed the ever-expanding global population by 2050, and that’s not a movie script—it’s a serious proposal by the UK government’s chief scientist, John Beddington. Advocating artificial meat production doesn’t address the real issues. The human population cannot keep growing on a world that is finite. Vegetarianism and veganism are far more practical responses to the emissions and food crises of today and tomorrow, although even predominantly herbivorous diets can [...]