News - Inventories

The air pollutant emissions inventories for England, Scotland, Wales, and Northern Ireland were published in September 2025. The data covers the period 2005 to 2023, for the pollutants ammonia, carbon monoxide, nitrogen oxides, non-methane volatile organic compounds, PM10, PM2.5, sulphur dioxide, and lead. In addition, experimental inventory statistics are presented for emissions of benzo[a]pyrene, dioxins and furans, and mercury.

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The Aether team is supporting reviews of air pollutant and greenhouse gas inventories for several European countries, including under the NECD, ESR, and LULUCF regulations. These reviews ensure accurate emissions data to meet EU targets for 2030. The team is also helping build capacity in countries needing extra support, contributing to cleaner air and better climate policy implementation across Europe.

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Iceland LULUCF

1 June 2025

Aether partnered with Land and Forest Iceland to improve Iceland’s GHG inventory for the LULUCF sector, focusing on technical support and developing a framework for climate policies.

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Aether’s Melanie Hobson worked with the Asian Development Bank to undertake consultation and provide capacity building on MRV and GHG inventory compilation in October 2023.

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Aether's report summarises the Welsh public sector's carbon emissions and identifies priority areas for action to reach the 2030 net zero target.

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Melanie Hobson co-authored a briefing note on including the waste sector in Pakistan’s revised Nationally Determined Contribution.

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In 2020 and 2021, Aether worked with Vivid Economics and a local consultant to develop a low emission development strategy and action plan for Belize.

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Aether is now leading on the compilation and reporting of greenhouse gas and air pollution inventories for England and the Devolved Administrations.

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Aether is working with Dumfries and Galloway Council to monitor progress towards their net zero target.

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This year Aether has joined the SME Climate Hub commitment to be carbon-neutral before 2050. Lotte Gleeson explores our 2020 carbon footprint and the impact of Covid-19.

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Nearly 200 air quality inventory compilers, modellers and policy makers from around the world participated in the 2021 meeting of the UN's Task Force on Emission Projections (TFEIP).

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Aether lead the development of the Welsh Governments net zero reporting guide now published for use by the Welsh Public Sector.

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Testimonial

Don't just take our word for it...

“ The Aether team were a joy to work with and I would recommend the consultancy - the service provided throughout the process was exceptional. ”

Clare Bayley, Defra

“ The support provided by Aether for this project was especially remarkable considering the situation of the COVID-19 pandemic. The tools and methods used in order to engage local stakeholders really added value to the capacity building of the national team. ”

Shanna Emmanuel, Saint Lucia BUR Project Coordinator

“ Aether's approach to couple innovative visualisation with high expertise manpower delivered valuable insights for our inventory work. ”

Umweltbundesamt (Germany)

“ I must congratulate each of you for your professional and tireless efforts. Let me point out that this has been the 'neatest' in-country review expert review team I have coordinated, and it has been a real pleasure. ”

UNFCCC Secretariat

“ Chris was excellent to work with and always very pro active in making suggestions, taking work forward and applying his considerable technical knowledge in effective ways. ”

Robert Vaughan, Defra Air Quality Team

“ We have been collaborating with Aether for several years, and our projects have greatly benefited from it. Aether staff are very knowledgeable, professional and flexible - and last but not least, very friendly and a pleasure to work with. ”

Umhverfisstofnun, Environment Agency of Iceland

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