Dégel du Pergélisol Une bombe à retardement

Permafrost is this layer of frozen earth that makes up 25 of the land surface of the northern hemisphere Formed during the last ice age it has by freezing imprisoned a large number of elements organic matter gas bacteria viruses The story could end there But now over the past thirty years global warming has multiplied by 7 the rate of permafrost thawing Here it wakes up and in doing so releases greenhouse gases that accelerate its own thawing but also bacteria and viruses It could even harbor countless infectious foci What are the scientists predictions Is it already too late