15:27Radio 4 AppealUnited World SchoolsBBC Radio 4 Duration: 4 minutes Thu 27th Jul 2017, 15:27 on BBC Radio 4 FMAvailable for over a yearListen nowCarol Vorderman makes the Radio 4 Appeal on behalf of United World Schools. Show more GenresFactualFormatsAppealsBrandRadio 4 Appeal Source: BBC Online