15:06HARDtalkExecutive Director, IEA - Dr Fatih BirolBBC World Service Duration: 23 minutes Wed 25th May 2016, 15:06 on BBC World Service East and Southern AfricaAvailable for over a yearListen nowDoes cheap oil make decarbonising the world economy even more difficult? Show more GenresNewsFormatsMagazines & ReviewsBrandHARDtalk Source: BBC Online