Population of the groups of countries in 1997
a) support the graphic in Core set of Indicators CSI-024 (ver. 2) figure 1 Changes in wastewater treatment in regions of Europe between 1980s and late 1990s
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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