Boris Johnson: how is he shaping up as mayor of London?

May 1 2008: Boris Johnson, the Conservatives' candidate for mayor of London, fits in a little last-minute campaigning on election day. He went on to win the mayoralty, defeating the incumbent, Labour's Ken Livingstone Photograph: Carl De Souza/AFP

May 13 2008: Johnson plants a pear tree in Brixton, south London, as part of his Make London Greener campaign Photograph: Andy Rain/EPA

May 31 2008: Young people party on the tube the night before Johnson's ban on alcohol consumption on London's public transport comes into force Photograph: Daniel Berehulak/Getty

June 18 2008: Johnson plays tennis outside County Hall, central London, with Novak Djokavic, the Serbian tennis star, to encourage sports participation within local communities Photograph: Martin Godwin

June 23 2008: Johnson reveals the artists chosen to create artworks for the fourth plinth in Trafalgar Square, Antony Gormley (right) and Yinka Shonibare Photograph: Linda Nylind

July 4 2008: Johnson announces a design competition for a new London Routemaster bus at the London Transport Museum Photograph: Cate Gillon/Getty Images

July 5 2008: Johnson wears a pink stetson hat at the Gay Pride parade in London Photograph: Peter Macdiarmid/Getty

July 29 2008: Johnson plays table tennis at Brixton Road youth centre, where he announced extra funding for youth projects to reduce knife and gun crime Photograph: Lewis Whyld/PA

August 21 2008: Johnson gets out of a rickshaw as he arrives at London House in Beijing for the closing ceremony of the Beijing Olympics Photograph: Dan Chung/Guardian

August 23 2008: Johnson leaves the stage with the mayor of Beijing at the closing ceremony of the Beijing Olympics Photograph: Tom Jenkins

August 24 2008: Jacques Rogge, the president of the International Olympic Committee, hands the Olympic flag to Johnson during the closing ceremony for the Beijing games. The mayor was criticised for leaving his jacket undone Photograph: Julian Finney/Getty

August 24 2008: Johnson speaks to the crowd at a party at London House in Beijing alongside Gordon Brown. He discussed table tennis, reporting that it had been invented by Britain and had once been called "wiff waff". London House was home to a series of events during the Olympics aimed at driving international investment and overseas visitors to Britain Photograph: Paula Bronstein/Getty Images

August 29 2008: Johnson travels by boat along the River Thames, near Tower Bridge, after launching London's climate change adaptation strategy Photograph: Martin Godwin

September 1 2008: Johnson prepares to leave by bike after walking along Kensington High Street to speak to members of the public regarding the western extension of the congestion charge zone. Two months later, he announced that the western area would be scrapped Photograph: Cate Gillon/Getty

September 11 2008: Johnson is joined by carnival performers outside City Hall to launch the Mayor's Thames Festival Photograph: Nils Jorgensen / Rex Features

September 25 2008: Johnson unveils new air-conditioned carriages that will be used on the London Underground. The carriages will be introduced on tube trains on the Metropolitan line from 2010 and on the Circle, District and Hammersmith & City Lines from 2011 Photograph: Frank Baron/Guardian

October 2 2008: Boris Johnson leaves City Hall in evening dress, with his bicycle, following the resignation of Metropolitan police commissioner, Sir Ian Blair, who said he no longer had the mayor's backing. This has probably been the biggest controversy of Johnson's mayoralty to date Photograph: Katie Collins/PA

November 4 2008: Johnson and Rosie Boycott, the journalist, launch Capital Growth to boost food growing spaces - a new scheme aimed at turning 2,012 pieces of land into green spaces where food can be grown by 2012 Photograph: Nils Jorgensen / Rex Features