If you love Planet Earth — both the BBC nature series and our actual home star — you need to see Sir Paul McCartney’s new Meat-Free Monday documentary. McCartney partnered with fellow actors Woody Harrelson and Emma Stone in One Day A Week to spread awareness of Meat-Free Monday, a flexitarian trend that’s been a bit slow to catch on. Consider starting your week off entirely vegetarian, a small ask for big results according to this short but powerful documentary narrated by the famous singer himself.