It gets long-term unemployed a qualification and gets trees planted in British cities. Welcome to Trees for Cities.
In a story in the Ecologist, Sharon Johnson talks about her work for Trees for Cities that has been going since 1993.
Offering a mind-boggling statistic that by 2030, 92 percent of Britons will live in cities, the Q&A asks Johnson about why it is so difficult to plant trees in the cities.
Check out the full interview HERE