Newsletter Wildfires trigger long-term permafrost thawing Researchers used satellite data to trace ground subsidence in a permafrost-rich region in eastern Siberia following a wildfire.
Impacts www.nationalgeographic.com Permafrost may thaw far faster than expected and accelerate climate change Data from two Arctic sites suggest some surface layers are no longer freezing. If that continues, greenhouse gases from permafrost could accelerate climate change.
