This document discusses sustainable mobile learning scenarios. It defines mobile learning as learning that takes place across various contexts using mobile devices. Mobile learning allows for just-in-time learning and communication in context. The document then discusses how learning is transforming with trends like collaborative knowledge building and informal learning. It proposes using scenarios as curricular units that arrange media, teachers, students, and situations. Sustainability is discussed from both an environmental perspective of conserving resources, as well as a systems perspective of sustaining mobile devices, jobs, communities and knowledge over time.