Northern Permafrost and climate tipping points
Ice-rich ground can collapse abruptly into thermokarst landscapes, while thaw exposes ancient carbon to decomposition and greenhouse-gas release.
Explore this system in the interactive atlasWhy it matters
What could change
Infrastructure damage, ecosystem transformation, and an additional carbon feedback that makes stabilization harder.
Scientific caution
What remains uncertain
Evidence supports local and regional tipping; pan-Arctic carbon loss is better understood as rising with every increment of warming.
Tipping element and tipping point
The tipping element is the part of the climate system described on this page. A tipping point is a critical threshold at which that system could begin moving toward a fundamentally different state. The evidence does not imply a simple, instantaneous planetary switch.
Continuously checked
Newest research on Permafrost
Recent journal metadata is matched automatically to this system and kept separate from the selected studies below.
New research
Live journal metadata from Crossref
Selected scholarship
Key studies
Peer-reviewed work chosen for enduring relevance and influence.
No respite from permafrost-thaw impacts in the absence of a global tipping point
Nitzbon, Schneider von Deimling & Langer · Nature Climate Change
Argues that permafrost feedbacks are dominated by local and regional processes—so impacts grow without a safe global threshold.Climate tipping point interactions and cascades: a review
Wunderling et al. · Earth System Dynamics
Maps the evidence for stabilizing, destabilizing, and still-uncertain links among tipping elements.Possible interactions
Connected tipping elements
These links represent potential interactions, not certain or equally strong causal relationships.
Arctic Winter Sea Ice
Summer sea ice is not generally expected to tip under anthropogenic forcing, but winter ice may have multiple states and sea-ice loss can amplify other transitions.
CirculationAtlantic Meridional Overturning Circulation
Freshening and warming of the North Atlantic can weaken deep-water formation and the salt-advection feedback that sustains the circulation.
BiosphereAmazon Rainforest
Warming, drought, fire, and deforestation can reinforce one another, reducing rainfall and shifting forest toward degraded or open states.