Explained like I'm 5 - Cows don't pollute
A. Cows don't create carbon, they perform neither nuclear fission or nuclear fusion. They can't create elements.
B. Everything that comes out of a cow, must have gone into the cow.
C. Grass grows using carbon from the environment.
D. Cows eat grass, because they are a ruminant.
E. All the gas that comes out of a cow went into the cow as grass.
F. Therefore all the carbon that come out of a cow first has to be captured by grass to go into the cow.
G. Cows are part of a natural biocycle, they do not create pollution.
H. If cows don't eat the grass something will - animals, fire, microbes, and the biocycle will continue.