07:54Radio 4 AppealUnited World SchoolsBBC Radio 4 Duration: 4 minutes Sun 23rd Jul 2017, 07:54 on BBC Radio 4 LWAvailable 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