King Charles has revealed his “regret” over scrapped royal plans in a health update for the monarch. The King appeared in good spirits as he hosted an international sustainability reception at Buckingham Palace on Wednesday evening, where he welcomed business leaders and climate organisations. Attendees included Foreign Secretary David Lammy, Net Zero Secretary Ed Miliband and Environment Secretary Steve Reed. The talks aimed to increase action across climate issues before the end of negotiations on the Global Plastics Treaty at the end of the year, and in advance of the UN climate change conf…