Ricardo reappointed UK emissions inventory agency

Environmental consultancy Ricardo Energy & Environment has been reappointed as the UK’s National Atmospheric Emissions Inventory (NAEI) agency.

Ricardo Energy & Environment gathers emissions data for the NAEI

Ricardo Energy & Environment gathers emissions data for the NAEI

The company has occupied the position in various forms for over 20 years on behalf of the department for Business, Environment and Industrial Strategy (BEIS), which funds the NAEI.

NAEI is maintained by Ricardo Energy & Environment and gathers data on annual pollutant emissions from a variety of UK sectors, including waste, industry, agriculture, forestry and transport.

The emissions data is used to determine the effectiveness of policy, monitor progress against emissions targets, demonstrate compliance with international legislation and safeguard the health and well-being of the UK’s population and environment.

The data also informs UK government obligations, including its commitment to the United Nations Framework Convention on Climate Change, and is used by the United Nations Economic Commission for Europe to estimate air pollutant emissions as part of monitoring the National Emission Ceilings Directive.


Ricardo Energy & Environment collects emissions data from the UK mainland, UK Crown Dependencies and overseas territories including Gibraltar, Bermuda and the Falkland Islands.

With more than 100 air pollution scientists, consultants and engineers, Ricardo has one of the largest air quality teams in Europe.

Ricardo uses data handling and modelling systems to compile, process, check and quality assure large data volumes, which are then presented in a variety of accessible formats.

Researchers and policy makers can access and apply NAEI data in air quality modelling and health impact studies at national, regional, local or city level, or use the data to target research for specific sources or economic sectors.


Sean Christiansen, Ricardo Energy & Environment practice director, said: “It is an honour to be reappointed by the UK Government to the role of National Atmospheric Emissions Inventory Agency.

“The UK’s inventory systems provide a robust evidence base that underpins the national understanding of greenhouse gas and air quality pollutant emissions, helping to track the effectiveness of policy, monitor progress against targets and deliver against numerous reporting obligations.

“The longevity of our relationship with the government demonstrates the confidence and trust that we have built over the last two decades of service.”

In addition to its UK work, Ricardo’s inventory specialists support governments across the world to develop region specific air quality and greenhouse gas inventories at city and national level. This includes advising on stack emissions standards in India and supporting Vietnam to develop high quality greenhouse gas inventories.

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