Exclusive: ex-officials at the Food and Agriculture Organization say its leadership censored and undermined them when they highlighted how livestock methane is a major greenhouse gas

• Ex-officials at UN farming body say work on methane emissions was censored
• Analysis: Impact of farming on climate crisis will be a key Cop topic – finally

The night before publication, Henning Steinfeld was halfway across the world dealing with panicked politicians and an outbreak of avian flu. His report, and how it would be received, was frankly the last thing on his mind.

With a small group of officials, Steinfield, head of the UN Food and Agriculture Organization (FAO)’s livestock policy branch, had been working for months on a report analysing the link between the six major species of livestock and climate change, which they all knew could be explosive. “I was very frustrated by the fact that the livestock-environment issue hadn’t resonated even though people accepted in private that it was a big issue – for climate change, and also water and biodiversity,” he said. “But no one was interested in getting into it because I think they were afraid of what it could mean.”