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Monday, 10 March 2025 10:57

Wastewater experts to give evidence in person to House of Lords nitrogen inquiry

The House of Lords Environment and Climate Change Committee is continuing its inquiry into the efficient use and management of reactive nitrogen by focussing on the role of the wastewater sector.

PARLIAMENT TV

Nitrogen pollution has significant public health and environmental impacts on water quality, air quality, greenhouse gas emissions, ecosystem health and biodiversity, and soil quality.

The evidence session will start at 10am on Wednesday 12 March in Committee Room 4, Palace of Westminster – witnesses appearingf before the Committee from 10am onwards will be:

  • David Johnson, Technical Director, The Rivers Trust
  • Pär Larshans, Sustainability Director, Ragn-Sells
  • Mike Rose, CEO, UK Water Industry Research.

 

Members are expected to ask questions on:

  • sources of pollution from wastewater
  • current nitrogen management approaches
  • upstream nitrogen management approaches
  • technologies to capture and re-use nitrogen
  • policy barriers and solutions.

 

Nitrogen (N) is a naturally abundant element with nearly 80% of the Earth’s atmosphere composed of the inert gas di-nitrogen, N2. Over the last century, conversion of N2 into reactive forms has increased significantly through the Haber-Bosch process – primarily for fertiliser production – and the burning of fossil fuels. This has caused unprecedented changes to the global nitrogen cycle.

Click here to watch the evidence session live on Parliament TV.

Click here to access the call for evidence

 

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