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Nitrogen

Inquiry

This inquiry will consider the efficient use and management of reactive nitrogen. It will seek to understand how excess reactive nitrogen could be captured and re-used and potential solutions for reducing nitrogen pollution. It will consider the coordination of Government policy on nitrogen across departments and how the Government could take a more holistic and strategic approach.

The report Nitrogen: time to reduce, recycle, reuse was published on 24 July 2025. The Government Response was published on 9 October 2025 and the report was debated on 6 January 2026

 

This inquiry is no longer accepting evidence

The deadline for submissions was 11:59pm on 7 March 2025.

Upcoming events

View all events

No upcoming events scheduled

Past events

Thursday 22 May 2025
10:00am Public
11:30am Private
Nitrogen - Oral evidence 22 May 2025
10:00am
  • Emma Hardy MP (Parliamentary Under-Secretary of State (Minister for Water and Flooding) at Defra)
  • Daniel Zeichner MP (Minister of State at Defra)
  • Emma Donnelly (Deputy Director for Clean Waters at Defra)
  • Dr Bill Parish (Deputy Director for Air Quality and Industrial Emissions at Defra)
  • Claire Northridge (Deputy Director for Services and Regulation Policy at Defra)
Room 4, Palace of Westminster
Wednesday 7 May 2025
10:00am Public
11:30am Private
Nitrogen - Oral evidence 7 May 2025
10:00am
  • Helen Wakeham (Director for Water at Environment Agency)
  • Chris Walters (Senior Director for the Price Review at Ofwat)
  • Paul Hickey (Managing Director of RAPID at Ofwat)
  • Nicola Riley (Deputy Director for Agriculture & Land at Environment Agency)
Room 4, Palace of Westminster
Wednesday 23 April 2025
10:00am Public
11:30am Private
Nitrogen - Oral evidence 23 April 2025
10:00am
  • Elle Winning (Air Quality Lead at The West Midlands Combined Authority)
  • Mike Garrity (Corporate Director for Planning, Place at Dorset Council)
  • Tom Parkes (Air Quality Programme Manager at London Borough of Camden)
10:40am
  • Dr Tony Juniper CBE (Chair at Natural England)
  • Rob Cameron (Deputy Director of Strategy at Natural England)
Room 4, Palace of Westminster
Wednesday 26 March 2025
10:00am Public
11:30am Private
Nitrogen - Oral evidence 26 March 2025
10:00am
  • Dame Glenys Stacey (Chair at Office for Environmental Protection)
  • Natalie Prosser (CEO at Office for Environmental Protection)
Room 4, Palace of Westminster

Contact us

  • Email: hlenviroclimate@parliament.uk
  • Phone: 020 7219 6076 (committee staff) | 0207 219 8550 (Press Officer)
  • Address: Environment and Climate Change Committee, House of Lords, London SW1A 0PW