TALIESIN— Building Knowledge Partnerships for Sustainability.  The ePLANETe is an on-line “Collaborative Platform” that seeks to support a broad variety of forms of learning, and of sharing of resources for learning, always with the accent on community and conviviality.  In a local/global perspective, it seeks, to incite new experiments in collaborative learning, social networking and knowledge sharing concerning the biosphere and sustainability, and to offer tools supporting debate and deliberation addressing social, political, technological, economic and environmental dimensions of sustainability. The nickname ‘Taliesin’ is the name of a Celtic historical and mythic figure, poet, druid and bard.