Cows’ digestive systems produce large amounts of methane, a potent greenhouse gas Stephen Dwyer / Alamy
A start-up has developed a vaccine that cuts methane emissions from cow burps, with plans for a commercial launch within three years.
Cattle produce methane as a byproduct of fermenting grasses and hay in their rumen, the first part of their digestive tract. in the world, largely driven by the burps and farts from the billion cattle farmed globally.
US company…
