It’s not just methane—meat production fills the air with noxious particulate matter too
Feeding the world is a necessity, but the process doesn’t come without health risks—even in the form of air pollution. Fossil fuel combustion in cars and factories is a notorious cause of air pollution, specifically inhalable microscopic particulate matter called PM 2.5. Still, food production produces about 20 percent of the pollutant each year in the US.