Permafrost - An Introduction
For decades, huge expanses of land at the higher latitudes, which sit atop frozen soil – referred to as permafrost – have been thawing. When the subterranean ice in the permafrost melts, massive quantities of greenhouse gases can be released into the atmosphere, intensifying global warming.
![[Translate to English:] Eisbär](/fileadmin/_processed_/8/2/csm_20150821_Arktis_PS92_Eisbaer_001_MHoppmann_4816c71d8f.jpg "Polar bear")
