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
Brighton Kemptown (UK Parliament constituency) Greens did not field a candidate in 2017 in a tactical effort to assist the Labour Party unseat the sitting Conservative MP, Simon Kirby, who had held the seat for Conservatives in 2015 on a reduced majority; this worked, as Labour's Lloyd Russell-Moyle won the seat with a majority of 9,868 votes (20.0%), the largest Labour has ever held in Brighton Kemptown. The 2015 general election result had made the seat the tenth-most marginal majority of the Conservative Party's 331 seats by percentage of majority. Brighton Kemptown (UK Parliament constituency) Brighton Kemptown is a constituency created in 1950 in the