Housing Committee and a member of the Business Management and Administration Committee, Budget and Performance Committee and the London Fire and Emergency Planning Authority (LFEPA). Johnson issued a report on the sustainability measures involved in planning for London's hosting of the Olympics in 2012, and also chaired an inquiry on nuclear waste trains for the London Assembly. He was previously Chair of the Environment Committee (between 2004/9 and 2010/11). The committee produced a number of reports, including investigations into the loss of street trees, and the effects of paving over front gardens in the city. Along with his long-standing colleague Jenny Jones, he stood down at the 2016 election. Lewisham councillor In the 2002 local elections, Johnson was elected as a councillor for the Brockley ward in the London Borough of Lewisham, the Greens' first councillor in Lewisham, polling 1026 votes and coming top in the ward. He was re-elected in 2006, when the Greens gained a further five seats in Lewisham. He came top of the ward again, polling 1583 votes. In 2010, he was the only Green councillor in Lewisham to be re-elected and served until 2014 when he did not seek re-election. In his time as a councillor, Johnson was successful in getting the council to adopt a Fair Trade policy. He opposed the closure of Ladywell Leisure Centre and put forward alternative sites for a new school. He also successfully campaigned for a new pedestrian crossing on Brockley Road, secured improvements to the traffic calming scheme and managed to halt evictions at St Norberts Allotments. In addition, he served as a member of Lewisham 's Housing Select Committee, Sustainable Development Select Committee, Council Urgency Committee, Elections Committee, Licensing (Supplementary) Committee, Licensing Committee, Overview and Scrutiny Committee and Marsha Phoenix Memorial Trust. He has represented Lewisham on the Local Government Association General Assembly. Mayoral candidate Johnson was the Green Party's candidate for Mayor of London in 2000 and 2004. In the 2000 election, he won 2.2% of first preference votes (38,121 votes), taking sixth place. He also came third in unallocated second preference votes with 192,764-second preferences (13.6%), thus coming fifth overall. In the 2004 election, he received 57,331 votes in the first round (2.9%) taking seventh place, and took 10.9% of unallocated second preferences (208,686). Johnson chose not to seek selection as mayoral candidate for a third time. On 12 March 2007, the London Green Party