The tundra biome is the coldest and one of the largest ecosystems on Earth. ... but without the permafrost, this biome has better draining soils that support a wider variety of plant life.

Behold the tundra biome. Characterized by extremely cold temperatures and treeless, frozen landscapes, the species here are marvels at adapting to the harsh climate.

Barren tundra lands, home to hardy flora and fauna, are one of the Earth's coldest, ... Permafrost is a layer of frozen soil and dead plants that extends some 1,476 feet ...

But warming air temperatures in the Arctic are breaking down permafrost across the tundra, in some cases, severely. The Arctic report, for example, showed Alaskan permafrost temperatures in 2024 ...

Boreal forests generally grow between 50 and 60 degrees north latitude, covering large parts of Alaska, Canada, Scandinavia, and Russia. The biome is home to evergreens such as pine, spruce, and fir.

Arctic permafrost is a vast repository, storing an estimated 1,700 billion metric tons of carbon. That’s over 50 times more than all the carbon released as global fossil fuel emissions in 2019.

While Myers-Smith and her team usually work mostly in the Canadian Arctic, tundra permafrost covers nearly a quarter of all land in the northern hemisphere, including in Alaska, Canada, Greenland ...

For millennia, the tundra regions of the Arctic drew in carbon from the atmosphere and locked it in permafrost. That is the case no more, according to an annual report issued on Tuesday by the ...

Arctic permafrost is a vast repository, storing an estimated 1,700 billion metric tons of carbon. That’s over 50 times more than all the carbon released as global fossil fuel emissions in 2019.

The Arctic tundra has historically helped reduce global emissions. But rising temperatures and wildfires in the region are changing that, scientists say. Arctic tundra becoming a source of carbon ...