New articles, entitled “The Integration of an Urban Seaborne Transport System to the City’s Socio-Economic Environment through the Enhancement of Multimodal Interoperability” and “Evaluation of the Quality of Bicycle Infrastructure in the City of Larissa, Greece: Technical Specifications versus User Perception.” will be presented at the Sixth International Conference on Environmental Management, Engineering, Planning and Economics (CEMEPE) and the SECOTOX Conference that will be jointly held in Thessaloniki, Greece, from June 25 to 30, 2017.