Saving Earth from sheep burps

2019-03-02 01:17:01

YOU can’t stop a sheep belching or farting, but you can make sure its eructations are less damaging to the environment. Belches, and to a far lesser degree farts, from sheep, cows and other farm animals account for around 20 per cent of global emissions of methane. The gas is a potent source of global warming because, volume for volume, it traps 23 times as much heat as the more plentiful carbon dioxide. To protect the planet from such ruminant effusions, a team led by Andre-Denis Wright of the Commonwealth Scientific and Industrial Research Organisation in Perth, Western Australia,