Choose from Tundra Background stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Video Back Videos home Signature collection Essentials ...

Choose from Siberia Tundra stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Video Back Videos home Signature collection Essentials ...

A new study suggests regions of the Arctic tundra are now releasing more planet-warming gases than they absorb, upending a millennia-old trend. The study published in academic journal Nature ...

Even though his recent years’ work in Arctic Alaska has been focused on plants, he said encountering willows and other woody plants covering what used to be open tundra west of the Dalton ...

Researchers in a new study published in Nature Climate Change, have measured the flow of carbon in the Arctic-boreal zone (ABZ) — consisting of the treeless tundra, boreal forests, and wetlands in ...

Animation of terrestrial CO 2 fluxes in the Arctic-boreal zone by month ... but more carbon emissions are being released from the tundra during the non-growing season months.

including the Arctic tundra conversion from a carbon sink to carbon source, reductions in previously large, inland caribou herds, and an uptick in winter precipitation. (top) Map of average air ...

and treeless tundra, is now a source of carbon rather than a sink. If emissions from wildfires were added to the mix, that percentage rose to 40. A greening Arctic also doesn’t translate to net ...

An arctic blast looming across much of the U.S. will cause temperatures to plummet by 30 to 40 degrees this weekend and into next week, bringing a hazardous freeze from parts of the Midwest to the ...

A blast of arctic air moves in Sunday night. Highs this week will only be in the 20s and 30s with snow possible for some. The coldest air we've seen so far this winter settles in late Sunday night.