Peatlands will become a major source of greenhouse gases as the permafrost thaws.
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Articles on Permafrost
Displaying 21 - 39 of 39 articles
Arctic heat waves were once rare and unusual events. But as their intensity and frequency increase with climate change, their fallout could affect the north — and the planet — for decades to come.
Climate change is thawing permafrost and increasing the risk of these accidents, and the region has fewer of the bacteria that can ‘clean up’ oil spills.
The Arctic is warming about twice as fast as the planet as a whole, with serious consequences. Scientists have been warning about this for decades.
Models have predicted for some time that with every degree of global warming, the Arctic will see double or more.
The wet and low-lying East Siberian Arctic is likely to be a major methane source in the coming decades.
US military leaders have to plan for operations all over the world, so they can’t afford to ignore climate change or debate its causes.
Hundreds of thousands of lakes, rivers and streams in the Arctic exist only because of the permafrost that lies beneath them. The warming Arctic threatens to change that.
Studies show that the Arctic is heating up twice as fast as the rest of the planet.
Climate change has caused a 60-fold increase in active landslides on one Canadian Arctic island.
For everyone from traditional hunters to the military, the National Park Service to the oil industry, climate change is the new reality in Alaska. Government, residents and businesses are all trying to adapt.
While extreme weather conditions represent a considerable challenge globally, some communities have been living with (and adapting to) similar events for centuries.
Wetlands are some of the world’s most undervalued weapons against climate change. They store huge quantities of carbon – but without better protection, many could soon be drained or paved over.
A 20-year-old experiment is testing whether filling the Arctic tundra with animals could keep carbon trapped in the ground.
Climate change is transforming the Arctic, with impacts on the rest of the planet. A geographer explains why he once doubted that human actions were causing such shifts, and what changed his mind.
The ice sheet is melting and permafrost is thawing. What’s happening in Greenland will speed up climate change across the world.
Set aside the politics. If by some miracle we turned off carbon emissions immediately, how would the climate respond?
Global warming is changing the movement of carbon within northern ecosystems to the point where the Arctic could become a net source, rather than sink, of greenhouse gas emissions.
Scientists are studying how carbon-rich permafrost known as yedoma acts much like frozen vegetables to hungry microbes – and is becoming an additional source of heat-trapping gases.
Top contributors
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Research Professor of Geography and Director, National Snow and Ice Data Center, University of Colorado Boulder
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Alaska Climate Specialist, University of Alaska Fairbanks
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Deputy Lead Scientist, National Snow and Ice Data Center (NSIDC), Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado Boulder
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Professor of Glaciology and Earth Observation, University of Bristol
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Research Scientist, National Snow and Ice Data Center (NSIDC), Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado Boulder
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Associate Director, Climate System Research Center and Associate Professor of Climatology, UMass Amherst
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Senior Lecturer in Physical Geography, Manchester Metropolitan University
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Visiting Scholar, Global Development and Environment Institute, Tufts University
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Professor Emeritus of International Environmental Policy, Tufts University
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Senior Lecturer, Queen's University Belfast
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Senior Lecturer, Geography and Environmental Sciences, Northumbria University, Newcastle
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Senior Lecturer in History and Heritage, University of Lincoln
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Director, Archaeology Institute, University of the Highlands and Islands
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Research assistant professor, University of Alaska Fairbanks
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Professor of Geology, University of Florida
