MacDonald, Mia, and Gene Baur. “In Order to ‘Feed the World’ We Must Stop Factory Farming Our Animals.” TheHill, 15 Oct. 2018, thehill.com/opinion/energy-environment/411371-in-order-to-feed-the-world-we-must-stop-factory-farming-our.

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• Nine billion chickens and 120 million pigs are killed every year in the United States.

The Paris Agreement had a goal of keeping the rise of the Earth’s temperature to only 1.5 degree Celsius higher than the pre-industrial temperature. The Intergovernmental Panel on Climate Change (IPCC) said that we possibly only have 12 years to reduce the greenhouse gasses in order to meet this goal. This can be done by reducing the carbon from world wide energy system, and reducing the methane that comes from animal agriculture. “Animal agriculture is responsible for 90 percent of methane emissions and the U.S. habit of raising animals for food contributes more than half of our carbon footprint.” Humans use 3/4 of the world’s arable land, and 1/3 of cereal crops in order to nourish the animals in farms. Plus, with the rising demand for meat products, the amount of cereal crops to feed animals may rise to half by 2050.