Throughout this paper, I will be discussing about the meat packing industry during the Industrial Revolution in the late 19th to 29th century. I would like to expand on the environmental consequences of the meat packing industry, the cruel treatment of the workers, and the epidemic diseases that occurred due to the unsanitary environment of the industries. The meat packing industry was a ground turning point of U.S history, which symbolized meat as a symbol of man’s conquest over nature and the environment. Meatpacking industries were largely concentrated in large cities such as Chicago, New York, Ohio, and Kansas City. The big four companies were known as the Armour, Swift, Morris, and National Packing companies. Live animals would be shipped via railroads and sent directly to the factories in the city, ready to be sliced and prepared. This was during the Industrial Revolution , a time when powerful monopolies and companies took control of U.S.: Standard Oil, U.S. Steel, including meat packing industry. Cincinnati, Ohio originally was the center of the meat processing industry. Environmentally, the industry gained benefits due to the plants located near the Ohio River, allowing easy transport of goods. However, Chicago replaced Cincinnati and demonstrated new unique advantages with the emergence of refrigerated railroad cars, allowing convenient transportation facilities throughout different cities. Despite the fact that the exterior of meat packing industries seemed powerful and rich, the true interior revealed grueling shady harsh atmosphere. It revealed how these strong companies eliminated competition and ruthlessly treated workers as ‘wage slaves’. In fact, most workers earned just a few pennies per hour, worked more than ten hours per day, six days a week. More importantly, the workers were not treated with caution nor rightful care. They often did