Watch on HDtoday. Through interviews with farmers, ranchers, scientists and other experts in agriculture and environmental science, World Without Cows delves into the complex and often-surprising ways cows impact our world. This compelling exploration is led by two award-winning journalists who now work in agriculture. The filmmakers traveled to more than 40 global locations to examine the cultural and economic significance of cows, their role in nourishing the world and their impact on climate — and to answer the question, “Are we better off in a world without cows?”