The root hacker

[Swede]

Armed with little more than a pitchfork and a keen pair of secateurs, this 32-year-old advertising planner from Devon has taken it upon himself to revitalise ugly patches of dirt near his home in the Elephant and Castle, and famously planting sunflowers opposite the Houses of Parliament. But unlike the Green Guerrillas of 1970s New York (who first coined the term) or other activists who have seeded political messages in the lawns of politicians, Reynolds claims his message is aimed more at the grassroots.

http://www.wired.co.uk/wired-magazine/archive/2010/02/start/the-root-hacker.aspx