According to the [[United Nations]] Food and Agriculture Organization, some [[scientists]] believe that methane emissions from the increasing numbers of cattle may contribute to [[climate change]].<ref>[http://www.fao.org/newsroom/en/news/2006/1000448/index.html Livestock a major threat to environment: Remedies urgently needed] </ref>. | According to the [[United Nations]] Food and Agriculture Organization, some [[scientists]] believe that methane emissions from the increasing numbers of cattle may contribute to [[climate change]].<ref>[http://www.fao.org/newsroom/en/news/2006/1000448/index.html Livestock a major threat to environment: Remedies urgently needed] </ref>. |