Permafrost soils store large quantities of organic carbon and are often portrayed as a critical tipping element in the Earth system, which, once global warming has reached a certain level, suddenly ...

A drone photo shows researchers at a point bar in Huslia in 2022 as part of a multi-year project to examine carbon and mercury levels in eroding river banks. (Madison Douglas) It’s long been clear ...

How does climate change influence the speed that Arctic coastal regions are retreating? This is what a recent study published in the Proceedings of the National Academy of Sciences hopes to address as ...

When scientists Patrick Sullivan and Roman Dial were heading to a remote area in the Brooks Range in 2019 to map the spread of woody plants there, they were looking forward to seeing a celebrated ...

Pep Canadell receives funding from the National Environment Science Program - Climate Systems Hub. Gustaf Hugelius has received funding form the European Union Horizon Europe program, the Swedish ...

The Siberian permafrost continues to illicit new mysteries for scientists to dig into, especially as it begins to thaw more and more. The latest discovery comes with the revival of a worm that has ...

Melting permafrost in Alaska is releasing dangerous levels of mercury. Image: Galyna Andrushko/Shutterstock Alaska’s permafrost is melting and revealing high levels of mercury that could threaten ...

New ways to measure thawing permafrost could help us understand its potential impacts on infrastructure, military outposts, and communities. Something is rotten in the city of Nunapitchuk. In recent ...

The melting of permafrost in the Arctic could result in toxic mercury leaching into the waters of Alaskan rivers, putting millions of people at risk. This "giant mercury bomb" lurks within the soils ...

Picture a deep freezer suddenly failing on a hot summer day. What happens to everything inside? Now imagine that freezer is the size of Alaska, has been running for thousands of years, and contains ...