History of the Green Party of England and Wales of Deputy Leader. The Green Party fielded more than 300 candidates for the 2010 general election. Caroline Lucas became the first Green candidate to gain a seat in Westminster, after being elected MP for Brighton Pavilion by a margin of 1,252 votes. The following week 600 new members had joined the Green Party bringing total membership to over 11,000. In previous years 600 new members was high for a whole year. On 24 May 2012, the six Green Party councillors elected to Stroud District Council formed a power sharing administration (a "constructive cooperation") with both the Labour Party and the
Caroline Lucas 1997. She was elected as a Member of the European Parliament (MEP) for South East England in 1999 and re-elected in 2004 and 2009, also serving as the Party's Female Principal Speaker from 2003 to 2006 and from 2007 to 2008. Lucas was elected the first Leader of the Green Party in 2008 and was elected to represent the constituency of Brighton Pavilion in the 2010 general election. She stood down as party leader in 2012 to devote more time to her parliamentary duties and focus on an ultimately successful campaign to be re-elected as an MP. She returned to