The Environmental Cost of Pets
Pets can be environmentally expensive. U.S. dogs and cats consume roughly a third of America’s animal-derived energy. Some analyses have blamed pet food for as much as 25–30% of the environmental impacts from animal production, including land use, water use, fossil fuels, fertilizers, and agricultural chemicals. That sounds alarming—but most estimates are based on theoretical models, not direct measurement. The results depend on how emissions are measured and allocated, and what assumptions the authors rely on. The most frequently cited analyses are also the most unrealistic. Pet food primarily uses ...






