Massive open online courses (MOOCs) offer opportunities for professional development of environmental educators globally, yet we lack understanding of participants™ cognitive and social learning processes and of how instructors can enhance these processes. Based on the Community of Inquiry framework, we used a survey and coded participant…

This paper provides an account of the development of online communities at Ultralab for students engaged on masters-level programmes, doctoral research and continuing professional learning. It considers the ways in which the engagement of learners, and their consequent participation, is seen to be dependent on several factors--the learners'…