Email lists for educators using virtual worlds:

Second Life email lists include SLED (Second Life Educators), TSL (Teen Second Life), SLR (Second Life Research) and there are a bunch of developer lists, corporate and health related lists too.

There is a long list of email lists relating to Second Life that includes all the business, developers and other communities if your interests go wider.

UK-based Communities of Practice

- ALT Fortnightly News Digest: http://www.alt.ac.uk/node/269

- JISC Virtual Worlds mailing list: virtualworlds@jiscmail.ac.uk

- "Virtual Worlds in the UK" group on the Association of Virtual Worlds website: http://network.associationofvirtualworlds.com/group/virtualworldsintheuk

- Games, Virtual Worlds and Higher Education SIG (funded by the UK Higher Education Academy): http://www.game-sig.info