Royal family to replace helicopters after flights cost more than £1m last year - The Guardian
- Royal family to replace helicopters after flights cost more than £1m last year The Guardian
- Solar panel castles and biofuel Bentleys: King Charles’s royal palaces go green in his first year as monarch The Independent
- Royal family to buy two new helicopters despite green push The Times
- King to set up ‘hidden’ solar farm at Sandringham The Telegraph