Duchess of Cambridge is ‘like a goddess’ on the green carpet of the Earthshot Prize awards

Charles took to Twitter to praise his son.

He said: “I am very proud of my son, William, for his growing commitment to the environment and the bold ambition of the Earthshot Prize.

“As a world, we need to come together to inspire, reimagine and build the sustainable future we so desperately need.”

He signed the tweet: “HRH The Prince of Wales”.