 He explained that he and Meghan plan to have no more than 2 children to help sustain the environment.Later that month, the Duke and Duchess of Sussex were criticised by environmental campaigners for using private jets regularly when taking their personal trips abroad, which would leave more carbon footprint per person compared to commercial planes.The criticism was in line with the reactions the royal family faced in June 2019, after it was revealed that they "had doubled [their] carbon footprint from business travel."