Nitrogen

Environment and Climate Change Committee Closed Inquiry
Opened: 30 Jan 2025 Closed: 6 Jan 2026 Parliament page
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 … Read more
1 Report
10 Oral sessions
4 Letters
10 Events
Activity timeline 16 events
29 Oct
2025
Correspondence
9 Oct
2025
Report published
10 Sep
2025
Correspondence
3 Sep
2025
Correspondence
24 Jul
2025
Report published
17 Jul
2025
Correspondence
22 May
2025
Oral evidence
7 May
2025
Oral evidence
23 Apr
2025
Oral evidence
26 Mar
2025
Oral evidence
19 Mar
2025
Oral evidence
12 Mar
2025
Oral evidence
Oral evidence sessions 10 sessions
22 May 2025
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Claire Northridge · Defra Daniel Zeichner MP · Defra Dr Bill Parish · Department for Environment Food and Rural Affairs Emma Donnelly · Defra Emma Hardy MP · Defra
7 May 2025
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Chris Walters · Musicians’ Union Helen Wakeham · Environment Agency Nicola Riley · Environment Agency Paul Hickey · Ofwat
23 Apr 2025
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Dr Tony Juniper CBE · Natural England Elle Winning · The West Midlands Combined Authority Mike Garrity · Dorset Council Rob Cameron · Natural England Tom Parkes · London Borough of Camden
26 Mar 2025
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Dame Glenys Stacey · Ofqual Natalie Prosser · Office for Environmental Protection
19 Mar 2025
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Andrew Hoare · Fortescue Dr James Kershaw · Opportunity Green Lord John Fuller OBE · Brineflow Ltd. Mr Pawel Kisielewski · CCm Technologies Trevor Brown · Ammonia Energy Association Vicky Robinson · Agriculture Industries Confederation
12 Mar 2025
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David Johnson · The Rivers Trust Mike Rose · UK Water Industry Research Pär Larshans · Ragn-Sells
5 Mar 2025
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Jerry Alford · Soil Association John Williams · ADAS Martin Lines · Nature Friendly Farming Network Peter Cowlrick · CCC Agronomy Tom Bradshaw · National Farmers' Union (NFU)
26 Feb 2025
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Professor Alastair Lewis · National Centre for Atmospheric Science Professor Anna Hansell · University of Leicester Professor Catherine Bondonno · Edith Cowan University Professor Gunter Kuhnle · University of Reading
12 Feb 2025
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Dr Alexander Lees · Manchester Metropolitan University Dr Ed Rowe · UK Centre for Ecology & Hydrology Professor Jeremy Biggs · Freshwater Habitats Trust
5 Feb 2025
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David Baldock · Institute for European Environmental Policy (IEEP UK) Dr Ulli Dragosits · UK Centre for Ecology & Hydrology Professor Kevin Hicks · Stockholm Environment Institute at the University of York
Title HC No. Published Items Response
2nd Report - Nitrogen: time to reduce, recycle, reuse 24 Jul 2025 0 Responded
Correspondence 4 letters
29 Oct 2025 To committee Letter from Parliamentary Under-Secretary of State on Indoor Air Quality 25.10.25
Parliament page
10 Sep 2025 To committee Letter from Baroness Sheehan to Defra Parliamentary Under-Secretary of State on Indoor Air Quality 10.09.2025
Parliament page
3 Sep 2025 To committee Letter from Defra Minister for Water and Flooding to Baroness Sheehan on Indoor Air Quality 01.09.2025
Parliament page
17 Jul 2025 To committee Letter from Baroness Sheehan to SoS for Defra, HCLG and HSC on Nitrogen Indoor Air Quality 15.07.2025
Parliament page