Left: Crumbling blocks of permafrost along the Beaufort Coast, Alaska (Photo courtesy of USGS). Right: Methane bubbles trapped in thermokarst lake ice. When ice-rich permafrost thaws, former ...

Methane, a potent greenhouse gas ... Over time, windblown silt buried them deep, locking them in permafrost. The upshot is that Arctic permafrost is much richer in carbon than scientists once ...

Earth’s frozen places — ice sheets, glaciers and permafrost — are melting: A clear sign of climate change and a planet quickly exiting the stable state that gave rise to human civilization. This great ...

The primary concern is the large amounts of organic material trapped within that release carbon dioxide and methane, potent greenhouse gases, as they thaw. This makes permafrost a ticking time ...

where the ice-rich permafrost beneath these Northern landscapes—frozen solid for hundreds or thousands of years—rapidly thaws, liquifying landscapes and releasing carbon dioxide and methane into the ...

Methane hydrates occur in five geographic settings (or sectors) that must be individually evaluated to determine their susceptibility to warming climate (Figure 1). The percentages assigned to ...

A new study has revealed that permafrost in Jammu & Kashmir and Ladakh is thawing due to climate change. This is the ice that ...

Currently, the common source is under permafrost. Now, because of an increase in overall temperatures, hydrous methane is being released into the atmosphere, and contributing to the greenhouse effect.

There are also natural sources of methane that are being released faster due to global warming itself. These include the melting of permafrost, the layer of previously permanently frozen ice within ...

The Arctic has warmed much faster than the rest of the planet in recent decades, and as the permafrost has melted, old lakes have grown and new ones have formed. Methane bubbles from their muddy ...