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Aether leads the compilation and reporting of greenhouse gas and air pollution inventories for England, Scotland, Wales, and Northern Ireland, as a part of its role within the wider UK National Atmospheric Emissions Inventory programme. These inventories are a vital evidence-base for policy makers to track progress towards emissions targets, whilst also identifying the priorities for further policy intervention on a regional level. These Devolved Administration inventories are part of the UK NAEI programme, and are compiled and published annually on the NAEI website.
Aether is required to publish the greenhouse gas and air pollution inventories annually, following the schedule in the table below.
| Reporting obligation | Publication deadline |
|---|---|
| Greenhouse gas emissions datasets for by-source, end-user, and traded / non-traded emissions | June |
| Air pollutant emissions datasets and accompanying report | September |
The Devolved Administration inventories are based principally on the UK emissions inventory, which uses a wide range of data sources and modelling techniques to estimate emissions of greenhouse gases and air pollutants annually to a high degree of certainty. However, many of these data sources lack enough detail to enable the direct estimate of emissions for England, Scotland, Wales, and Northern Ireland individually. As a result, alternative models and calculations are required to disaggregate the UK-wide figures to each of the Devolved Administrations.
Aether staff are specialists in the preparation, management, and reporting of emissions inventories. Our team has a wealth of expertise and have significant experience in the development of inventories globally, as well as for the Devolved Administrations. We use this expertise to develop, test, and implement alternative modelling approaches to disaggregate emissions, particularly across the energy supply, domestic, industrial processes, and waste sectors. Our knowledge in this area ensures that the emissions inventories are as accurate and robust as possible. Our transparent approach to our work is appreciated by key stakeholders in each region ensuring the data is used with confidence and purpose.
Aether first led on the publication of the air pollution inventory for the Devolved Administrations in 2021 (link to NAEI report), and, with the support of other members of the NAEI consortium (Ricardo Energy & Environment, UKCEH, Rothamsted Research, Forest Research, ADAS, and Gluckman Consulting) will continue to publish these inventories annually for the next three years.
Category: National Governments
Aether, in partnership with Petromall and NEXUS International University (NIU), provided capacity building training in GHG inventory compilation in Uganda. We engaged with over 80 participants to provide interactive training courses in all inventory sectors.
Read case studyCategory: National Governments, Policies and Measures
Aether developed an innovative online platform, or Portal, for gathering, analysing and reporting Luxembourg’s climate policies and measures. The Portal acts as a central point for stakeholder engagement and keeps a live master list of national climate actions, with associated impact and cost analysis.
Read case studyCategory: National Governments, Capacity Building, Emission Inventories
Aether is supporting the Estonian Environmental Research Centre (EKUK) and Estonian Environment Agency (EstEA) in the development of its national greenhouse gas (GHG) emissions inventory templates. We are helping to ensure that the compilation process is transparent and efficient.
Read case studyNews
Posted on: 18 May 2026
Aether travelled to the Estonian Environmental Research Centre (EKUK) in Tallinn to deliver a two-day training workshop for the inventory team to build capacity on the Excel power queries used in the GHG inventory templates previously set up by Aether in 2022.
Read full storyPosted on: 30 April 2026
Aether delivered a three-day GHG inventory capacity building workshop in Saint Vincent and the Grenadines, towards development of the BTR1.
Read full storyPosted on: 17 March 2026
Aether provided representatives from Central Asia (Kyrgyzstan, Tajikistan, Turkmenistan, Uzbekistan and Kazakhstan) who were visiting the UK on a study tour with an introduction to air quality management.
Read full storyPosted on: 26 February 2026
Aether staff delivered a workshop in Islamabad, Pakistan on the fundamentals of MRV and GHG inventories.
Read full storyTestimonial