16:06BBC OS2021/11/03 16:06 GMT: COP26: Who pays for transition to green economiesBBC World Service Duration: 50 minutes Wed 3rd Nov 2021, 16:06 on BBC World Service Europe and the Middle EastWe'll look at how much countries will need to spend to fight climate change Show more GenresNewsFormatsDiscussion & TalkBrandBBC OS Source: BBC Online