On the contrary, he's about a century behind the rest of the world. He's a flawed person with cranky ideas and he is not open to argument. He has been at the forefront of defending homeopathic quackery and crusading against GMO.

He is a zealous believer in AGW who flies around in private jets. Like the rest of the Royal family he is not very bright.

http://www.newyorker.com/magazine/2017/04/10/where-prince-charles-went-wrong