King Charles and Prince William made a rare public appearance together on Thursday evening at a reception focused on climate action, held ahead of the COP30 conference set to take place in Brazil next month.

According to Kensington Palace, the Prince of Wales will officially represent his father, King Charles, at the upcoming summit.

A Royal Evening for the Planet

On October 9, the monarch and his heir attended the Countdown to COP30 event at London’s Natural History Museum. The gathering aimed to spotlight key environmental challenges leading up to the major UN climate conference.

King Charles, 76, and Prince William, 43, were seen arriving together and speaking warmly with guests, including environmentalists, scientists, and political leaders. Among the attendees were Energy and Climate Change Secretary Ed Miliband, Environment Secretary Emma Reynolds, and former Prime Minister Theresa May.

Footage shared on the royal family’s official Instagram delighted fans, many expressing joy at seeing the father and son side by side on a shared mission.

“Love a father & son outing,” one fan commented.

Another wrote, “So happy to see the two of them together.”