We’ve Grossly Underestimated How Much Cow Farts Are Contributing to Global Warming

With approximately 1.5 billion cows on the planet, that's a lot of bovine bum gas.

from gizmodo http://www.gizmodo.co.uk/2017/09/weve-grossly-underestimated-how-much-cow-farts-are-contributing-to-global-warming/