From the article: “Climate change is not a real thing for most of these people,” Stern said. “But you change your mind quick when your kids are puking.”
> Pound for pound, the comparative impact of CH4 on climate change is more than 25 times greater than CO2 over a 100-year period.
https://www3.epa.gov/climatechange/ghgemissions/gases/ch4.ht...
This is heavily discussed in a documentary I watched recently, "Cowspiracy."