Department secretary pushing audit of grant to reef foundationPlay05:01 Source: AAPSBS News In DepthView Podcast SeriesGet the SBS Audio appOther ways to listenApple PodcastsSpotifyListnrDownload (9.19MB) Australia's top environment bureaucrat is urging an official investigation into the $444 million grant to the Great Barrier Reef Foundation.ShareLatest podcast episodesAMA launches Medicare mondernisation campaignGovernment imposes counter-terrorism sanctions on online network TerrorgramTrump introduces sweeping tariffs on goods from Mexico, Canada and ChinaBrigitte is among a growing number of Australians turning to charity for help