21:06Newshour17/05/2023 20:06 GMT: Global warming report sparks calls for urgent actionBBC World Service Duration: 50 minutes Wed 17th May 2023, 21:06 on BBC World Service East and Southern AfricaClimate scientists warn revelations must be a “rallying cry” for change Show more GenresNewsFormatsMagazines & ReviewsBrandNewshour Source: BBC Online