New additive shows promise in taming cattle emissions

Australian researchers might have found a new low-cost way to reduce climate emissions from cattle. (David Mariuz/AAP PHOTOS)

Australian scientists may have spawned the next star in the race to stop cows and sheep belching so much planet-warming methane.

Billed as a naturally derived product that can be produced at low cost in microbrewery-like facilities, the fungi extract holds promise for a sector under pressure to curb its climate contribution.