In 2013, a nine-year-old girl lost her life due to toxic air in the UK capital. As the fight to tackle pollution continues, a new installation opens in the city raising awareness of the issue. Air Quality News takes a closer look, with details of where and when to see the work at the foot of this page.
Martin Guttridge-Hewitt speaks to an industry expert about her storied experience in air quality, from Greater London Authority policy to a company repowering high polluting diesel buses with all-electric engines.