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Under the UNFCCC, Liberia is classified as a non-Annex I party, and is required to submit National Communications (NCs) and Biennial Update Reports (BURs) at regular intervals. In 2013, Liberia successfully submitted its first NC to the UNFCCC in 2013 and in 2021 it submitted both its second NC and its first BUR. The second NC highlighted that the accuracy and completeness of the inventory was constrained by a lack of reliable and up to date activity data.
Through the Global Environment Facility (GEF) funded project ‘Consultancy to Develop Liberia’s National GHGI and MRV System’ Aether was able to support the Environmental Protection Agency (EPA) in Liberia with the following objectives:
Key stakeholders received training on data collection, emissions calculations (using 2006 IPCC GHG Inventory reporting guidelines and the 2019 Refinement) and documentation of the compilation process.
The GHGI compilation training that Aether provided focussed on completeness and transparency with the aim to create a sustainable system that will feed into the UNFCCC reporting cycles.
All training was completed remotely due to the ongoing COVID-19 pandemic. A combination of online presentations, one-on-one mentoring sessions and activities hosted on the NIU Akili e-learning platform were provided. Individuals who completed the training received certification from NIU.
Aether set up an MRV platform to consolidate the existing GHGI information and provide an effective system to support GHG inventory compilation and reporting in the future.
52 individuals completed the online GHG inventory training and received certification from NIU. Remaining knowledge gaps and associated recommendations were provided to EPA to feed into future capacity building projects.
Aether is providing a five-year support package for the MRV platform, hosted by the EPA. Alongside providing technical advice, this package will aim to establish a self-reliant MRV co-ordination team within the EPA to improve the MRV system and support GHG inventory reporting.
Category: National Governments, Policies and Measures
Aether has been supporting Antigua and Barbuda on their first Biennial Update Report (BUR) by writing the Mitigation chapter. This work will enable Antigua and Barbuda to report transparently on initiatives addressing climate change mitigation and adaptation. Also the climate action database will enable the Department of Environment to take stock of climate related initiatives across the country, including the flow of climate finance, and relate this to national strategies and targets.
Read case studyCategory: National Governments, Emission Inventories
Aether worked with Engain to produce Barbados’ Second National Communications Report to the United Nations Framework Convention on Climate Change.
Read case studyCategory: National Governments, Emission Inventories
Aether contributed to the analysis of procurement (Scope 3) emissions reporting in the Scottish public sector. The research aimed to demonstrate approaches and tools available to Scottish public bodies. The aim was to understand and report their supply chain emissions, providing options for action to improve supply chain reporting across the public sector.
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Posted 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 storyPosted on: 13 January 2026
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.
Read full storyPosted on: 11 December 2025
Aether completed a project for to train staff in Government of Jersey in using Aether's Carbon Scenario Model to quantify the carbon impacts of net zero policies. The model is a key tool for the Government of Jersey for informing policy decisions on climate actions, and other related policies.
Read full storyTestimonial