If you click on the agriculture tab, you see that cow farts account for 3% of US greenhouse gas emissions: https://www.epa.gov/ghgemissions/sources-greenhouse-g

If you click on the agriculture tab, you see that cow farts account for 3% of US greenhouse gas emissions: https://www.epa.gov/ghgemissions/sources-greenhouse-gas-emissions https://www.epa.gov/ghgemissions/sources-greenhouse-gas-emis...