Cow farts and pig farts are producing more grennhouse gases than cars and industry.
pig methane
Cows Are Not Green, Neither Are Pigs
(via abunchofgreens.blogspot.com)
Submitted by A Bunch of Greens on Mon, 2008-07-14 17:02. | Tags: science | technology | climate change | cows methane | global warming | green cows | greenhouse gases | pig methane
