Yeah, I thought that paragraph was pretty funny too. If one college class can sway his opinion, we should all be grateful that he isn't POTUS.
"Hey Al, I have some snake oil and magic beans I'll sell you at a discount!"
To be fair, I took a Physics class in 1977 that still influences my thinking on global warming. My project was to correlate droughts with sunspot activity. It taught me that the weather here on Earth is mostly determined by this large cosmic body called the Sun that's about 93 million miles away, not by my Ford. Too bad Al Gore didn't take that class.