Methane

Dinosaur Farts Caused Jurassic Global Warming

Sauropods were massive land animals that grazed on vegetation–but it’s the microscopic organisms living inside them that were responsible for the gas. David Wilkinson, one of the researchers, explains to the BBC:

Cows absolved of causing global warming with nitrous oxide, with flatulence bag [Not Nancy Pelosi]

Livestock could actually be good for the environment according to a new study that found grazing cows or sheep can cut emissions of a powerful greenhouse gas [literally]. By putting flatulence bag on cows and measuring it.