Methane levels are going up — not down, despite decades spent trying to reduce emissions from agriculture and landfill. But some countries are bucking the trend, we find out who and how.

Breeding sheep and cattle to burp less is one way to reduce methane emissions. ABC Top 5 Science Residency recipient Luisa Olmo talks us through a genetic selection programme that could lead the way forward.

Guests

Dr Ed Clayton – Ruminant nutritionist, NSW Department of Primary Industries and Regional Development

Professor Sam Clark – Professor of Animal Genetics, University of New England

Dr Pep Canadell – Chief Research Scientist, CSIRO Environment

Producer

Dr Luisa Olmo — Research Officer, Meat Science and Value Chains, NSW Department of Primary Industries and Regional Development