EXCLUSIVE - Baroness Shaista Sheehan: "45% of fertiliser applied to land is being lost to the environment rather than being taken up by crops"

Baroness Sheehan writes on how the majority of ammonia and nitrous oxide pollution to water comes from the agricultural sector and the ways it can reduce, recycle and reuse nitrogen pollution

Baroness Shaista Sheehan

31 July 2025 • 3 min read

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Baroness Sheehan, chair of the House of Lords' Environment and Climate Change Committee, said: "Technological approaches such as slurry separators, anaerobic digestion, drying manures and creating fertiliser products such as nutrient-dense pellets present an opportunity to generate new markets."

Nitrogen is an essential element for all living things and makes up around 80% of the air we breathe. However, nitrogen can combine with other elements to form dangerous pollutants that are damaging...

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