Prince William’s Earthshot Prize ceremony is set to take place in Cape Town next month, featuring a star-studded lineup including supermodels Heidi Klum and Winnie Harlow. The event, now in its fourth year, will showcase African innovation in environmental solutions. Klum and Harlow will join other high-profile guests on the green carpet, helping to announce the five winners of the prestigious £1 million prize for contributions to environmentalism. The ceremony aims to harness what organisers describe as an “explosion of innovation” on the African continent, which saw a significant increase in…