Well i'm sure they all think they are the worlds expert, but he is considered by most to be the top climate scientist out there. He has advised our and worked under contract for our government and a few others for over 30 years. Admittedly he may seem a little goofy, most of them do, but take the time to listen to him and look at his research evidence and ice core studies, then he doesn't seem so goofy. Even all those other climate guys say he is the most knowledgeable in the climate field. Guess that's probably why they don't want a public debate.
I think most people would agree the climates always changing, that's called seasons (LOL),but to think it's worse now than 30 or do years ago is a joke. Air quality today is far better than what it used to be. And for the places where it isn't, china , India and so fourth, we ain't gonna make them change. Now I guess if someone can figure a way to make the cows stop farting, we'd be in business.