Our computer models often have incomplete information.
Its bad news for global warming and methane. Methane is thirty times more dynamic than carbon dioxide when it comes to climate change.
We make half the methane release and the rest is from thawing permafrost. The thawing is rapidly increasing.

There is one point 3 trillion tons of methane trapped beneath the Arctic. It is less trapped every day. Some of the melting is irreversible.