This is a theory my roommate’s Diesel instructor came up with. I thought it was quite humorous, and honestly just as plausible as any other theory. Here goes.

So, what do we breathe? Oxygen, of course. And what do we exhale? Carbon dioxide, the most prevalent greenhouse gas. And what produces our oxygen by taking in carbon dioxide? Plants. And what do cows produce? Methane, another prevalent greenhouse gas.

So here’s the deal. Who eats plants, causing a decrease in the removal of carbon dioxide, and who doesn’t eat cows, causing an increase in the production of methane? Looks like the steady increase in vegetarians over the years may be the cause of global warming.

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