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Yellowstone sits on top of a giant Supervolcano; that's a fact. More methane gas is emitted in Yellowstone than all the cow farts
in America.
And before you give up that Double-Beef patty with cheese, consider this, there are over 1,300 active above-ground volcanoes on this planet spewing
even more methane, not to mention the underwater "Ring of Fire" and the countless underwater "Mud" volcanos (over 2,000 estimated at last count) as yet another HUGE
methane source. So, ya have to ask yourself, why does your government REALLY want you to worry about cows farts ?