New Zealand scientists are coming up with some surprising solutions that could put a big dent in emissions caused by farm animals belching out methane. Among the more promising are selective breeding, genetically modified feed, methane inhibitors, and a potential game-changer a vaccine.
How do you stop a cow from burping? It might sound like the start of a humorous riddle, but it's the subject of a huge scientific inquiry in New Zealand. And the answer could have profound effects on the health of the planet. More specifically, the question is how to stop cows, sheep and other…