Copernicus assisted environmental monitoring across the Black Sea Basin-PONTOS is a 30-month project funded by the European Union’s ENI CBC Black Sea Basin Programme 2014-2020. The PONTOS makes information about the Black Sea environment from the EU Copernicus Earth Observation platform accessible to scientists, policymakers, citizens, and other relevant stakeholders. It utilizes information technologies to automatically retrieve Copernicus products, couples them with national or regional infrastructures for data acquisition and processing, and provides monitoring services for the Black Sea and the surrounding environment in a transboundary, standardized, and homogenized manner. The environmental monitoring system developed is tested in pilot sites across Armenia, Greece, Georgia, and Ukraine.