Defra wiki

defra wiki was set-up by the 'Department for ,  and Affairs' (defra) – a ministerial  department of the  of Great Britain and Northern Ireland. It was aimed at stakeholders developing the idea of an Environmental Contract.

It was experiment in , community-based public , but was halted soon after it started because of large amounts of vandalism. See Sky News article: Web Policy Goes Wrong.[permanently dead link]
 * News
 * "A Government minister's attempt to get web users to help form policy has backfired .... Administrators were forced to withdraw the page after it was defaced by more than 170 people over a frenzied few hours."

The wiki was set up with the  wiki engine, and was originally, but was subsequently changed to a registration process requiring. defra wiki is now , presumably after JotSpot was acquired by Google. The Internet Archive WaybackMachine at Archive.org created 56 captures of the wiki home page from 09 September 2006, the last being 05 December 2008. Little or no other content of the wiki has been archived.