Kangaroos are much lighter on the land than sheep and cows. Kangaroo image from www.shutterstock.com May 22, 2016 Eat locals: swapping sheep and cows for kangaroos and camels could help our environment Euan Ritchie, Deakin University and Adam Munn, UNSW Eating cows and sheep is unsustainable. Here are some better alternatives.
