Prince William's visit to Brazil for his Earthshot Prize climate change project drew criticism on social media over his carbon footprint. The Prince of Wales gives out £1 million [around $1.3 million] in funding to each of five innovative solutions to the climate crisis, holding each ceremony on a different continent. This year Earthshot has taken him to Rio de Janeiro, making the event a prelude to climate conference COP30, also in Brazil, but in Belém, from November 10 to 21. A post on X read: "Prince William jets 5,500 miles to Brazil for his £300k taxpayer-funded 'eco' trip preaching...