Authors: Kaylin Lee, Yoann Bernard, Tim Dallmann, Caleb Braun, Josh Miller
Published: December 2021
Download the 'Impacts of a low-emission zone in Sofia' paper (EN)
Download the 'Impacts of a low-emission zone in Sofia' paper (BG)
Download 'The Fact Sheets' (EN)
Download 'The Fact Sheets' (BG)