Start Slideshow
cowbackpack1Argentina cow backpack methane study1
cowbackpack2Argentina cow backpack methane study2
cow backpack, methane emissions, National Institute for Agricultural Technology, livestock industry, greenhouse gases, global warming, Guillermo Berro, Argentina<a href="https://www.inhabitat.com/2008/07/24/spiffy-backpack-traps-bovine-gas/"></a>....<br><br><a href='https://inhabitat.com/spiffy-backpack-traps-bovine-gas/'>READ ARTICLE</a>3