22:06People Fixing The WorldTalking signs, amazing peas and planes mapping firesBBC World Service Duration: 23 minutes Tue 19th Oct 2021, 22:06 on BBC World Service West and Central AfricaAvailable for over a yearListen nowInnovative solutions for city navigation, plastic waste and forest fires. Show more GenresNewsFormatsDiscussion & TalkBrandPeople Fixing The World Source: BBC Online