Alot of scientists agree with this statement.
Check it out:

Climate alarmism is “the biggest fraud in the field of science” and the 97% consensus claim is nonsensical, Apollo 7 astronaut Walter Cunningham tells MRCTV in a preview of his presentation at the upcoming Heartland Institute climate conference, July 7-9.

“Since about 2000, I looked farther and farther into it,” Col. Cunningham (USMC, Ret.) tells MRCTV in an exclusive interview. “I found that not one of the claims that the alarmists were making out there had any bearings, whatsoever. And, so, it was kind of a no-brainer to come to the conclusion.”