Five winners met the prince at Windsor Castle on the show where they presented their ideas, asked him questions ... Wearing a special green Blue Peter badge from his previous work on the programme ...

Five winners met the prince at Windsor Castle on the show where they presented their ideas, asked him questions about the ... Wearing a special green Blue Peter badge from his previous work on the ...

Sir Lindsay Hoyle, Speaker of the House of Commons, said: 'I was absolutely thrilled to meet the Blue Peter Earthshot competition winners and to hear their imaginative and innovative ideas to help ...