“The warning about extinction is stark. It is remarkable that global scientists had not anticipated a giant buildup of methane in the atmosphere when it had been so clearly predicted 10 to 20 years ago and has been shown to be critically linked to extinction events in the geological record (Kennett et al. 2003).”

Malcolm Light 9th February, 2012

http://arctic-news.blogspot.com/p/global-extinction-within-one-human.html
Versus current 2023 data:

#climate
#tippingpoints
#methane

Global Extinction within one Human Lifetime as a Result of a Spreading Atmospheric Arctic Methane Heat wave and Surface Firestorm

Blog edited by Sam Carana, with news on climate change and warming in the Arctic due to snow and ice loss and methane releases from the seafloor.