17:06BBC OS2022/06/16 16:06 GMT: Climate: Rich nations accused of 'betrayal'BBC World Service Duration: 50 minutes Thu 16th Jun 2022, 17:06 on BBC World Service West and Central AfricaAvailable for yearsListen nowWe find out what has been said on the final day of climate talks in Bonn. Show more GenresNewsFormatsDiscussion & TalkBrandBBC OS Source: BBC Online