Farmers in Denmark are getting ready for an ambitious new scheme that will transform the country's landscape from 2030.
As well as giving land back to nature, the Green Tripartite Agreement will see farmers taxed on the greenhouse gas emissions coming from livestock - the first country in the world to do so.
Animals like cattle, sheep and pigs release the greenhouse gas methane as part of their digestive processes. Will the tax push up the price of food as some fear, and put farmers out of business? Or is it a model that other countries can and should follow?
Plus - we meet Hilda, the Scottish calf bred to emit lower levels of methane.
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Presented and produced by Lexy O'Connor
(Picture: Calves - including Hilda - in a shed.)