The U.S. government is certainly thinking outside the box to solve the problem of methane from cows … And these 1,300 pound (average weight for both a beef and dairy cow) animals eat a lot. Why do cows burp and fart methane in the first place? Cows burp (and fart) methane gas. In the fight against climate change, researchers are turning to everything from seaweed diets to genetics to make cows … Taxing livestock burps and farts? 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. Buffaloes, goats, and other ruminants burp methane, too. Methane is not just the stuff of cow burps. (See Why Beans Make You Fart) Cows fart and burp… a lot. They all have special stomachs with four compartments. Scientists are asking big questions about how this gas traps heat in the atmosphere, warming the planet and creating challenges for our environment. Cows genetically modified to be less gassy? Livestock ( cows, pigs, sheep and other animals ) are responsible … Much like humans, when they eat, gas builds up inside of their guts and has to be expelled. 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. People are now trying to develop different cattle feeds that result in less methane production. 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. But U.S. cow herds contribute very little to global warming, and cutting beef would only reduce global GHG emissions by 0.36%. 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. When cows digest their food, microbes in their stomach break down the substance and produce methane. 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. Methane is a potent greenhouse gas that destroys the Earth we call home. The result is a large amount of methane being introduced into the atmosphere. 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. Cows and Global Warming. A cow burps and farts between 160 to 320 litres of methane every day. What is Methane?