I like the term “Carbon Zealots”, LOL.
The article writer dances around the question of whether or not Anthropogenic Global Warming is a real problem (it isn’t), but he does a good job of skewering the disastrous way Carbon trading currently works.
Here's card-carrying carbochondriacs if you like alliteration.
I saw carbochondriac recently, forgetting that post. IMHO, it conveys more derision of these closet marxists.