So there is this one as well:
https://www.sciencenews.org/article/...ing-permafrost
I've seen a few articles like this. I mean, it sounds reasonable that a lot of this is locked up and could be released, but it doesn't sound like it is the big issue some scientists thought it was, at this point, anyway. Perhaps there is another mechanism at work here. I wonder if that Vice documentary provides this part of the story?