The linked article seems to want us to believe that concern about global warming is part of a CIA mind control plot. I would skip it.
No doubt considerable effort has been spent muddying waters, and it's not an easy topic to research, but it might be better to take a look at John Marks' seminal work based on documents obtained under FOIA, The Search for the Manchurian Candidate - The CIA and Mind Control, available for free at https://www.druglibrary.org/schaffer/lsd/marks.htm
No doubt considerable effort has been spent muddying waters, and it's not an easy topic to research, but it might be better to take a look at John Marks' seminal work based on documents obtained under FOIA, The Search for the Manchurian Candidate - The CIA and Mind Control, available for free at https://www.druglibrary.org/schaffer/lsd/marks.htm