From red seaweed to climate-smart cows: New Zealand leads the fight against methane

The nation’s scientists are racing to find ways to reduce the release of methane from cows and sheep, which accounts for one third of all emissions

It is not exactly glamorous work. Measuring sheep farts is smelly, time consuming and expensive.

But for Dr Suzanne Rowe, a scientist who is breeding strains of sheep that emit less methane than regular flocks, there is nothing more important she feels she could be doing.