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Methane emissions from the burps and farts of livestock accounts for around 15% of global greenhouse gas emissions. But the trick to reducing this could lie with some of Kenya鈥檚 smallholder farmers. By using very simple techniques to transform the way they manage their soil and animals, dairy farmers are helping their cows emit less methane per litre of milk they produce. And it鈥檚 all being paid for by big polluters, in what could become a major form of carbon offsetting. Is this a new frontier in the fight against climate change? World Hacks has been to rural Kenya to find out.

Presenter: Vincent Ni
Reporter: Harriet Noble