In 2021, 62% of the population was connected to municipal wastewater treatment systems with secondary or tertiary treatment, which do not cause GHG emissions. Compared to the previous year, the share decreased by just under one percentage point; moreover, the share has remained practically unchanged since 2017.
The indicator methodology is available only in Slovene (link to the indicator)
Matjaž Česen, JSI-EEC, prepared as part of the task Updating the Climate Mirror indicators for the Slovenian Environment Agency (ARSO)