Methane is a potent greenhouse gas that destroys the Earth we call home. The U.S. government is certainly thinking outside the box to solve the problem of methane from cows … In the fight against climate change, researchers are turning to everything from seaweed diets to genetics to make cows … (See Why Beans Make You Fart) Cows fart and burp… a lot. Buffaloes, goats, and other ruminants burp methane, too. And these 1,300 pound (average weight for both a beef and dairy cow) animals eat a lot. The methane builds up in their stomach until there’s no room left, and it’s released primarily via the mouth but sometimes the bum. Cows burp (and fart) methane gas. Much like humans, when they eat, gas builds up inside of their guts and has to be expelled. Cows genetically modified to be less gassy? Scientists are asking big questions about how this gas traps heat in the atmosphere, warming the planet and creating challenges for our environment. Taxing livestock burps and farts? Why do cows burp and fart methane in the first place? What is Methane? Cows are gassy creatures, they fart and burp between 160 to 320 liters of methane each day, but most of it comes from their burps. It is also a greenhouse gas. Methane is not just the stuff of cow burps. People are now trying to develop different cattle feeds that result in less methane production. When cows digest their food, microbes in their stomach break down the substance and produce methane. They all have special stomachs with four compartments. But U.S. cow herds contribute very little to global warming, and cutting beef would only reduce global GHG emissions by 0.36%. Cow Burps, Not Farts, Are the Real Problem HowStuffWorks In the war against climate change, scientists are scrambling to put a cap on one of the most potent sources of greenhouse gas: burping cows. Cows and Global Warming. Since livestock contributes significantly to the rising emissions, scientists have tried out different methods and diets to control cows’ toxic burps once and for all. Livestock ( cows, pigs, sheep and other animals ) are responsible … While it may be fun to blame cow farts for methane in the atmosphere, it’s actually the animals’ burps that release most of the gas. A cow burps and farts between 160 to 320 litres of methane every day. When you hear the word methane you probably think of cow farts, but cow burps are also a big contributer to methane levels in the atmosphere. The result is a large amount of methane being introduced into the atmosphere.