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Aether to support world-leading UK Government emissions inventory

11 February 2025

We’re thrilled to announce our continued work under the newly awarded 10-year contract for the National Atmospheric Emissions Inventory (NAEI).

The NAEI is made up of the Greenhouse Gas Inventory (GHGI) and the Air Quality Pollutant Inventory (AQPI). It provides estimates of annual pollutant emissions for the UK from 1970 to the most current publication year for the majority of pollutants. The data is generated via a common database system that ensures that inventory and projection emission estimates from the NAEI across all pollutants are consistent, drawing on the same underpinning activity data, emissions and emission factor data resources and hence emissions data per source, whether GHG or AQ, are based on a consistent scope and the best available UK activity and emissions data. For further information, please see: https://naei.energysecurity.gov.uk

As part of this programme, Aether will be leading:

  • The compilation of the Company Reporting GHG factors
  • Air Pollution projections
  • The Devolved Administrations inventories
  • Rail emissions
  • Emissions in the Overseas Territories & Crown Dependencies (OTCDs)
  • A new coordination group streamlining inventory work across multiple contracts under the NAEI

We’re proud to contribute to the ongoing development of this world-leading inventory programme, ensuring robust data informs climate and air quality action.

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“ It is always an absolute pleasure working with Aether. I always know what is expected of me. Their work ethic is of a very high standard and projects are always handled in a very professional manner. I have learnt many skills in terms of project management, quality control and workshop training styles from Aether and I hope to carry these principles forward in my own work. I look forward to collaborating with Aether more in the future. ”

Luanne Stevens, Gondwana

“ 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

“ Both the face-to-face training and the online version have been of high quality, with dynamic methods and a practical orientation that have allowed students to reach a solid knowledge base. The products have been delivered within the stipulated deadlines with an excellent quality and the team has always shown willingness to make adjustments according to the requirements of CONAF. We are very satisfied with the work. ”

Javier Cano Martín, Professional Unit for Climate Change and Environmental Services, CONAF (National Forestry Corporation), Chile

“ 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

“ 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

“ 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

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