The cow’s amazing ability to sustain itself by eating nothing but grass is one of the marvels of nature, but it comes at a cost. As grass ferments in the rumen — one of four compartments in the animal ...

Cows fart. That contributes to global warming. But cow burps are worse for the climate, say experts, as the political debate over climate change finds little common ground over bovine flatulence.

Toxic cow farts? Finally – a solution, says Texas A&M. By Dylan Baddour, Houston Chronicle Updated Oct 30, 2015 2:40 p.m. ... (Photo by Hansel Mieth//Time Life Pictures/Getty Images) ...

Both ends of a cow produce methane, but 97% of all the methane gas from a cow is released by belching. ... Cow farts are bad for Earth, but cow burps are worse.

WASHINGTON — Let’s clear the air about cow farts. In the climate change debate, some policymakers seem to be bovine flatulence deniers. This became apparent in the fuss over the Green New Deal ...

House Bill 1630 mandates that dairy farms and feedlots report their annual methane emissions -- largely coming from cow burps and farts -- to the state.

Claus Fisker/AFP/Getty Images. In many parts of the world, ... That methane is released through belching and farting, and on average, a single cow can produce about 200 pounds of it per year.

Claus Fisker/AFP/Getty Images. In many parts of the world, ... That methane is released through belching and farting, and on average, a single cow can produce about 200 pounds of it per year.

Claus Fisker/AFP/Getty Images. In many parts of the world, ... That methane is released through belching and farting, and on average, a single cow can produce about 200 pounds of it per year.

Methane is a powerful greenhouse gas, and cows are a major source of it. A group of scientists is developing a proof of concept for a vaccine that would curb methane emissions in cattle.

An unusual vaccine. Scientists have been working on the idea of a “cow fart vaccine” for well over a decade, according to Hammond, but without tangible results as of yet.