I just did a few searches and came across this article:

Published on
Friday, July 27, 2018
byCommon Dreams
'Unprecedented' Heat Wave Fueling Arctic Fires Made More Than Twice as Likely by Climate Change: Analysis
"The logic that climate change will do this is inescapable—the world is becoming warmer, and so heat waves like this are becoming more common."

and much more at link below

However, in other articles they say that global temperature rise falls quickly into an ice age after a peak. And then there's the William Mount video where he mentions planned lighting of pockets of methane in the Siberian tundra which could lead to mass extinction within 5 years. And from what I can remember reading through a few articles about the Greek fires, there is at least one recent Greek fire that they say involved migrants ... and other theories. Whatever they are, they love to muddy whatever waters they can. Take your pick - no choice is that great. Be here now, and all that jazz.