The burning of fossil fuels for energy and animal agriculture are two of the biggest contributors to global warming, along with deforestation. Globally, fossil fuel-based energy is responsible for about 60% of human greenhouse gas emissions, with deforestation at about 18%, and animal agriculture between 14% and 18%. Animal agriculture and eating meat are the biggest cause of global warming.
Beef is a bigger problem than other meats because people tend to eat it more Than other meats. On the chart above people tend the eat lamb more than beef. Producing beef requires significantly more resources (e.g. land, fertilizer, and water) than other sources of meat. As ruminant animals, cattle also produce methane that other sources