ENVRI-Hub NEXT consolidates and advances the robust conceptual and technical structure established by the ENVRI-Hub to empower the ENVRI Science Cluster to provide interdisciplinary data-driven services. These services will support climate change research, including the development of mitigation and adaptation measures and strategies, and the assessment of the climate change risks. Through this platform, ENVRI-Hub NEXT will facilitate the integration of the environmental sciences community into EOSC, guided by the concept of Essential Climate Variables. ENVRI-Hub NEXT expands the frontiers of multidisciplinary environmental sciences by fostering operational synergies between ENVRI RIs and developing and utilising complementarities in their data and services provision. The joint forces of ENVRI and e-infrastructures allow for the integration of cutting-edge information technology, alignment with the EOSC architecture, and efficient resource allocation for the advancement of a more integrated, productive, and globally competitive ENVRI Science Cluster.