“In the past, you got the impression that he rather embarrassed the government of the today with his enthusiasm.”
Ms Nikkhah responded: “Isn’t that an interesting turnaround, Adam?
“I joined him in Davos at the World Economic Forum last year and he met Greta Thunberg and rubbed shoulders with John Kerry.”
She continued: “He has been pushing his green agenda and sustainability agenda for such a long time.
“And now world leaders and our Prime Minister are starting to see it as a very good thing and that it is not meddling.
“It’s very important for him to have Prince William with him tonight as well.
“It shows global leaders and investors, that if you invest in the UK with green agendas, this will be going down the generations and that it is the future of UK policy.”
The group were joined by John Kerry as they pinpointed critical areas of discussion before meeting world leaders in Cornwall.
His son, Prince William, is understood to be highly supportive of his father’s work on the environment.
The Duke has launched some of his own big environmental initiatives, including the Earthshot Prize.
The royals are out in force at the G7 Summit this weekend, as the Queen also travels down to Cornwall on Friday to attend the G7 leaders’ reception at the Eden Project.