The IV Tarragona International Environmental Law Colloquium (TIEC) jointly organized by the Tarragona Centre for Environmental Law Studies (CEDAT-URV) and the Tarragona Environmental Law Students Association (AAEDAT) will be held on 27-28 June 2019 at the Faculty of Legal Sciences (Department of Public Law) of the Universitat Rovira i Virgili, in Tarragona, Spain.