It isn't speculation. The article talks about local tribes and UNESCO as if the two ever had much in common. That isn't wild speculation.
We also need to stop referring to carbon dioxide as carbon. It may be a compound of carbon but it is not the same thing. Elemental carbon is not the problem.
We also need to stop referring to carbon dioxide as carbon. It may be a compound of carbon but it is not the same thing. Elemental carbon is not the problem.