completing the carbon cycle. The tundra, a frozen treeless Arctic biome with long dark winters and short summers, alters the balance of this cycle. While it doesn’t have the dense, fast-growing ...

It’s a vicious cycle. Rising temperatures ... For millennia, the Arctic tundra has helped stabilize global temperatures by storing carbon in the frozen ground. Wildfires have changed that ...

In the Arctic tundra, there have long been signs of a ... including for scientists assessing the carbon cycle. “There are large parts of Siberia that we just don’t have any data from ...

And concerningly, the region’s tundra has transitioned from ... includes a detailed accounting of how the carbon cycle is changing in the Arctic. Scientists have been closely watching what ...

One of the most visible effects of climate change in the Arctic is increasing ... have a significant effect on the carbon cycle. As a result, a warming tundra growing more shrub cover could ...

The tundra has become a source of emissions ... This year’s report includes a detailed accounting of how the carbon cycle is changing in the Arctic. Scientists have been closely watching ...

It contained sobering news about the state of the tundra. NOAA reported that after storing carbon ... because in the Arctic, of course, the winters are very long. That slow cycle of growth ...

The Arctic tundra has shifted from storing carbon in ... co-author of the report’s carbon cycle chapter. “But even if a small fraction of that is released, it could be a big deal.

The tundra has become a source of emissions ... This year’s report includes a detailed accounting of how the carbon cycle is changing in the Arctic. Scientists have been closely watching ...