The main objective of ADRIGREEN project is to improve the integration of Croatian and Italian ports and airports with other modes of transportation in order to enhance the processing of passengers during the summer seasons and to improve environmental performances of the Adriatic maritime and aviation systems. The objective of the testing phase will be to demonstrate the feasibility, the effectiveness and the replicability of the identified solutions. International investigation on best solutions to be transferred on Adriatic coasts will be realized. Furthermore, the project includes the environmental assessments of involved ports and airports, technical manual on identified practices, Cross-Border Forum of Green and Intermodal Ports and Airports to present solutions.