The GPC 2025 proceedings deal with green, pervasive, and cloud computing focusing on pervasive and environmentally sustainable computing.The 33 full papers and 2 short papaers were carefully reviewed and selected from 69 submissions. They were organized in topical sections as follows: Security, Trust, and Resilience,Wireless, Vehicular, and Underwater Networking,Federated, Edge, and Green Learning Systems,Mobile Crowdsensing, Scheduling, and Collaborative Optimization,Intelligent Sensing, Perception, and Applied Analytics and Graphs, Simulation, and Robust AI Models.