According to UN, all live stock together produces about 14.5% of total human-caused GHG emission http://www.fao.org/news/story/en/item/197623/icode/ http://www.

According to UN, all live stock together produces about 14.5% of total human-caused GHG emission http://www.fao.org/news/story/en/item/197623/icode/ http://www.fao.org/news/story/en/item/197623/icode/