Inspired by YouTube creators, some people are limiting beef to a handful of ‘feast days’ a year to cut their climate impact Inspired by YouTube creators, some people are limiting beef to a handful of ‘feast days’ a year to cut their climate impact “I love beef,” says Vlad Luca, 25. But unlike most other self-proclaimed steak lovers, Vlad eats it only four times a year, on designated “beef days”. The “beef days” phenomenon has been popularised by the brothers John and Hank Green, known