Modelled decreases in ozone concentrations in year 2003 due to the introduction of European road vehicle emission standards (left) and the Large Combustion Plant Directive (right)
For references, please go to www.eea.europa.eu/soer or scan the QR code.
This briefing is part of the EEA's report The European Environment - State and Outlook 2015. The EEA is an official agency of the EU, tasked with providing information on Europe's environment.
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