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Tundra News
February 23, 2017

Latest Headlines
updated 2:29am EST

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February 23, 2017

Feb. 17, 2017 — You might think that polar bears — and the potential for attack — are the biggest danger the Norwegian arctic island archipelago of Svalbard. But avalanches kill far more people on Svalbard than ... read more

Jan. 26, 2017 — The world-famous site of Machu Picchu is home to a biologically important and iconic species: the Andean bear (Tremarctos ornatus), report ... read more

Jan. 4, 2017 — The thawing and erosion of Arctic permafrost coasts has dramatically increased in the past years and the sea is now consuming more than 20 meters of land per year at some ... read more

Dec. 21, 2016 — New research indicates that the impact of climate change on biodiversity depends on how much human beings have already affected the ... read more

Dec. 19, 2016 — Arctic lakes, covered with ice during the winter months, are melting earlier each spring, research has found. The team, who monitored 13,300 lakes using satellite imagery, have shown that on average ... read more

Dec. 14, 2016 — Scientists documented a spring pulse in northern Alaska in 2014 that included carbon dioxide emissions equivalent to 46 percent of the net carbon dioxide that is absorbed in the summer months and ... read more

Dec. 12, 2016 — From the Arctic to the Mojave Desert, terrestrial and marine habitats are quickly changing. Satellites are particularly well-suited to observe habitat transformation and help scientists forecast what ... read more

Dec. 12, 2016 — Often portrayed as pulling Santa's sleigh, reindeer are a Christmas staple. Now, ecologists have found that reindeer are shrinking due to the impact of climate change on their food ... read more

Dec. 6, 2016 — Unusually high air temperatures and a warm ocean have led to a record low Arctic sea ice extent for November, according to scientists. In the Southern Hemisphere, Antarctic sea ice extent also hit a ... read more

Dec. 6, 2016 — A new study of warming after the last ice age 20,000 years ago confirms climate models that predict an amplification of warming at the poles. By 15,000 years ago, the Antarctic had warmed about 11 ... read more

Nov. 30, 2016 — For decades, scientists have speculated that rising global temperatures might alter the ability of soils to store carbon, potentially releasing huge amounts of carbon into the atmosphere and ... read more

Nov. 30, 2016 — Permafrost loss due to a rapidly warming Alaska is leading to significant changes in the freshwater chemistry and hydrology of Alaska's Yukon River Basin with potential global climate ... read more

Nov. 24, 2016 — Using a new theory, a researcher shows that more freshwater in the Arctic may strengthen the Gulfstream’s extension into the polar regions – the opposite of what has generally been anticipated ... read more

Enhanced Nitrous Oxide Emissions Found in Field Warming Experiment in the Arctic

Nov. 21, 2016 — The Arctic is warming rapidly, with projected temperature increases larger than anywhere else in the world. The Arctic regions are particularly important with respect to climate change, as permafrost ... read more

Enhanced Nitrous Oxide Emissions Found in Field Warming Experiment in the Arctic

Nov. 21, 2016 — The impact of warming on the release of carbon dioxide (CO2) and CH4 is currently a hot topic in numerous studies carried out in the Arctic. Arctic soils are further a relevant source of the strong ... read more

Who Knew? Ammonia-Rich Bird Waste Cools the Atmosphere

Nov. 17, 2016 — It turns out bird feces helps cool the Arctic. That’s according to new research by atmospheric scientists, who are working to better understand key components of Arctic climate ... read more

Nov. 16, 2016 — Declines in the Arctic sea ice are arguably the most dramatic evidence of the effects of current climate warming on ocean systems. While sea ice is perhaps the most defining feature of the habitat of ... read more

Nov. 16, 2016 — Many species of owl are able to hunt in effective silence by suppressing their noise at sound frequencies above 1.6 kilohertz (kHz) - over the range that can be heard by humans. A team of researchers ... read more

Salty Snow Could Affect Air Pollution in the Arctic

Nov. 16, 2016 — In pictures, the Arctic appears pristine and timeless with its barren lands and icy landscape. In reality, the area is rapidly changing. Scientists are working to understand the chemistry behind ... read more

Nov. 14, 2016 — While scientists and policy experts debate the impacts of global warming, Earth's soil is releasing roughly nine times more carbon dioxide to the atmosphere than all human activities combined. ... read more

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