These points of no return are specific moments when the planet has warmed so much that certain effects become irreversible.

Arctic permafrost contains twice as much carbon as the atmosphere. But the researchers found that the thawings—which expel stores of carbon dioxide sequestered deep in frozen vegetation—were not ...

Svalbard is the fastest warming place in the world, and even within the Arctic. Leaving as little trace as possible is a ...

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 ...

Beneath the frozen skin of the Earth, a silent awakening is underway. As Arctic and sub-Arctic permafrost thaws, ancient ...

The elder Zimov first figured out that permafrost stores far more carbon than scientists once thought. Some of it is now escaping as temperatures rise. Sergey Zimov, an ecologist by training ...

Increasing wildfires globally release massive carbon emissions, impacting natural carbon sinks and contributing to global ...

Photosynthesising microbes in soil may increase their activity as temperatures rise, offsetting some of the carbon emissions ...

Mountains, which cover 33 million sq km of the Earth’s surface, are crucial for sustaining life on the planet. For instance, around 2 billion people downstream depend on mountains for freshwater resou ...