In an article entitled The Forgotton Prince, Charles claims that baby George is "what this is all about" and said that becoming a grandfather has further motivated his want to create a sustainable future.
"I've had this extraordinary feeling, for years and years, ever since I can remember really, of wanting to heal and make things better," said Charles. "I feel more than anything else it's my duty to worry about everybody and their lives in this country, to try to find a way of improving things if I possibly can."
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During the interview, which was conducted at his Scottish residence Birkhall on the Balmoral estate, Charles also spoke of how he had been teaching Prince William to carry out investitures.
TIME's editor-at-large Catherine Mayer recalls that while William, Kate and George were staying at Birkhall, 64-year-old Charles showed William how to knight people safely ahead of his first ceremony earlier this month.
The article notes that Prince Charles is more concerned with his duty to his charities than about when he will become king.
"[Charles] is not itching to ascend the throne," writes Catherine. "But is impatient to get as much done as possible before [becoming king]."
According to TIME Charles is focussed on "everything from climate change to community architecture, integrated medicine to interfaith relations."