Cow manure can be used as a fuel source that provides energy & control burns methane which is otherwise released into the atmosphere, & when left unharvested it contaminates water supplies.
"Methane has a global warming effect that is 21 times that of carbon dioxide, so using the methane for energy production significantly reduces greenhouse gas emissions. And because manure that is used in the biogas plant is not washed off land surfaces into local rivers and streams, the local watershed also benefits."
http://www.seco.cpa.state.tx.us/energy-sources/biomass/manure.php
As United States citizens, we are all co-owners of public wildlands-- including state parks, national forests, parks, & seashores, BLM land, & many other public land types. Many citizens do not purchase or consume dairy or beef, & as co-owners of these lands & waters, it is imperative that these land spaces are protected in the name of every individual. It is unfair that those who don't consume these products should have our lands, water, & air polluted by their production.
Also, cow manure can be utilized as an alternative energy source to hydraulic fracturing aka "fracking".
HELP SAVE OUR WATER, LAND, & AIR BY SIGNING THIS PETITION MY FELLOW AMERICANS!<3