In recent years, a number of studies have revealed the massive impact of the livestock industry, and a growing list of scientists and activists have called for a movement away from beef. Here are their main concerns.
Source: Eshel, Gidon, et al., “Land, Irrigation Water, Greenhouse Gas, and Reactive Nitrogen Burdens of Meat, Eggs, and Dairy Production in the United States,” PNAS, Vol. 111, No. 33, August 19, 2014.