New studies suggest that rising temperatures may prove disastrous for species of birds, fish and other animals that are adapted to the cold of Arctic climes.
Global warning may have already passed an irreversible tipping point, the scientist who led the biggest-ever expedition to the Arctic has warned.
A team from the Centre for Earth Observation Science at the University of Manitoba has published a paper in the Nature journal Communications Earth & Environment that addresses a large gap in our understanding of Arctic Sea Ice coverage.
US President Joe Biden's administration announced Tuesday it was halting petroleum development activity in Alaska's Arctic National Wildlife Refuge, reversing a move by former president Donald Trump to allow drilling.
Scientists have uncovered a summertime climate pattern in and around the Arctic that could drive co-occurrences of European heatwaves and large-scale wildfires with air pollution over Siberia and subpolar North America.
What is Arctic amplification? Do we know what is causing this phenomenon? What effects is it having, both in the region and for the world? Is Antarctica experiencing the same thing?
Australian biologist Sacha Dench has been nicknamed “the Human Swan”, in recognition of her record-breaking, 7,000 kilometre, paramotor (motorized paraglider) flight, tracking Bewick swans across 11 countries, from Arctic Russian to the UK. Ahead of International Day for Biological Diversity, Ms ...
Scientists with the European Space Agency (ESA) said on May 25, 2021, that satellite data have revealed how much warming Atlantic waters are intruding on Arctic sea ice. They said they made their announcement “with alarm bells ringing about the rapid demise of sea ice in the Arctic.”
This year has already seen its fair share of unsettling climate news. For the first time, the Amazon rainforest was recognised as a net emitter of greenhouse gases. The increased melting of glaciers in the Arctic and Antarctic is causing the earth’s poles to drift.
A drastic drop in caribou and shorebird populations is a reflection of the dire changes unfolding on the Arctic tundra, according to a new report from the Arctic Council.
With decennial arctic ice drops of 13.1 percent and rising temperatures, per NASA figures, more countries and businesses have deemed it imperative to stop or slow down climate change. While adopting ecologically mindful practices would require spending from the private sector,
Today, bowhead whales still transit the fringes of Arctic waters. Polar bears hunt blubbery ringed seals from rafts of ice. And ivory gulls ride gale force winds, plucking juvenile polar cod from the roiling sea. But for how much longer?
The image of the Arctic as a frozen wasteland could soon be a thing of the past thanks to climate change, with the region warming at double the rate of other areas of the planet.
The aquatic animal known as the sponge is often described as entirely sessile: once they've settled in a spot and matured, they aren't generally thought of as moving around. But, according to a new study in the journal Current Biology on April 26—in which researchers describe mysterious trails o ...
As an indicator and amplifier of global climate change, the Arctic's health and stability is the cornerstone of the stability of our climate system. It has far-reaching impacts on ecosystems, coastal resilience and human settlements in the middle and high latitudes.
Europe endured record heat and rainfall last year while temperatures in Arctic Siberia soared off the charts, the European Union's climate monitoring service reported Thursday.
Lightning strikes are an extremely rare phenomenon in the Arctic Circle – but as the global climate has begun to warm, these events have become more common. Just in 2019, lighting hit 483 kilometers (300 miles) of the North Pole, the northernmost instance on record.
Tropical waters are known for their bright sunlight above and their richly colorful biodiversity below. These two things aren’t unrelated; for the many tropical species that exhibit biofluorescence — that is, the ability to absorb light energy and reemit it as different colored light — the sunli ...
Roughly two weeks ago, a massive iceberg calved from the Antarctic Ice Sheet. As the only research vessel nearby, the Polarstern took the opportunity to enter the area between the iceberg and the Brunt Ice Shelf.
Permafrost thaw is one of the world’s most pressing climate problems, already disrupting lifestyles, livelihoods, economies, and ecosystems in the north, and threatening to spill beyond the boundaries of the Arctic as our planet continues to warm.
An Arctic walrus was spotted on the Atlantic coast of Ireland for the first time since 2004. It was seen by a 5-year-old girl who was walking with her father.
The diverse and rich ecosystems of Arqvilliit (Ottawa Islands) are a refuge and feeding and breeding ground for northeastern Hudson Bay species, from polar bears and marine mammals to the thousands of eider ducks that nest here.
New findings on the diet of Arctic foxes, determined by the condition of their teeth, show how varying climate conditions in the Arctic affect the animals that live there.
Millions of migratory birds occupy seasonally favorable breeding grounds in the Arctic, but scientists know little about the formation, maintenance and future of the migration routes of Arctic birds and the genetic determinants of migratory distance.
The Arctic is once again at the centre of geopolitical and strategic discussions, mainly for one reason – climate change – and it is imperative to act now, write Virginijus Sinkevičius and Boris Herrmann.
Herd immunity, when a threshold proportion of a population becomes immune to a disease-causing organism, reducing or stopping further transmission, is very much in the news. Avian cholera much less so.
An international team of researchers has found evidence implicating a deep underground reservoir as the source of high levels of methane in the waters of the East Siberian Arctic Ocean. In their paper published in Proceedings of the National Academy of Sciences, the group describes testing three ...
Polar bears and narwhals are using up to four times as much energy to survive because of major ice loss in the Arctic, according to scientists.
China is just one of many countries in the Northern Hemisphere experiencing an extremely cold winter due in part to both the tropical Pacific and the Arctic, according to an analysis of temperatures from Dec. 1, 2020 to mid-January of 2021.
From stronger storms to Arctic warming to California fires, rising atmospheric carbon levels mean there's no escaping the fallout from global warming. Now, we're plunged into a new world of managing the consequences.
In the summer of 2021, a group of Estonian sailors and scientists are planning a sailing trip to the Arctic; the purpose of the trip is to draw attention to climate change in the region.
Rising global temperatures are causing frozen Arctic soil— permafrost—in the northern hemisphere to thaw and release CO2 that has been stored within it for thousands of years. The amount of carbon stored in permafrost is estimated to be four times greater than the combined amount of CO2 emitted ...
It's clear that rising greenhouse gas emissions are the main driver of global warming. But on a regional level, several other factors are at play. That's especially true in the Arctic—a massive oceanic region around the North Pole which is warming two to three times faster than the rest of the p ...
Researchers from SINTEF, the Norwegian Polar Institute and the University Centre in Svalbard have collected samples from Arctic crustaceans close to the settlement of Ny-Ålesund on the west coast of Spitsbergen. During the spring and summer, they discovered a number of drugs in a variety of diff ...
Climate change is more pronounced in the Arctic than anywhere else on the planet, raising concerns about the ability of wildlife to cope with the new conditions. A new study shows that rare insects are declining, suggesting that climatic changes may favor common species.
The Arctic has long proven to be a barometer of the health of our planet. This remote part of the world faces unprecedented environmental assaults, as climate change and industrial chemicals threaten a way of life for Inuit and other Indigenous and northern communities that rely heavily on seafo ...
Climate change is having a widespread effect on lakes across the Northern Hemisphere, a new study has found. The study, published in the journal Geophysical Research Letters, examined 122 lakes from 1939 to 2016 in North America, Europe and Asia, and found that ice-free years have become more th ...
In the far north, the swelling Arctic Ocean inundated vast swaths of coastal tundra and steppe ecosystems. Though the ocean water was only a few degrees above freezing, it started to thaw the permafrost beneath it, exposing billions of tons of organic matter to microbial breakdown.
The Norwegian fishing village of Bugøynes, 310 miles north of the Arctic Circle and a frigid, dark place for much of the year, was on the edge of ruin.
New study suggests waters will become more turbulent as Arctic loses summertime ice.Eddies are often seen as the weather of the ocean. Like large-scale circulations in the atmosphere, eddies swirl through the ocean as slow-moving sea cyclones, sweeping up nutrients and heat, and transporting the ...
Under the sea ice, the Arctic Ocean is one of the quietest places on Earth. But it can be very noisy when the ice is forming and breaking up or during storms and when glaciers are calving.
The world is changing in dramatic ways, especially in the High Arctic. Climate change has meant that spring arrives earlier, but winters have become far more treacherous for Arctic animals that overwinter there, with more rain and ice.
Language is everything. Those who argue for oil drilling in the Arctic national wildlife refuge, a place of stunning wild beauty in far north-east Alaska, seldom call it what it is – a refuge.
Arctic sea ice has been in steep decline over the past two decades. A study of tundra shrubs published today in the journal PNAS shows that as sea ice disappears, the Arctic is becoming both greener and browner.
At just over 14 million square kilometres, the Arctic Ocean is the smallest and shallowest of the world’s oceans. It is also the coldest. An expansive raft of sea ice floats near its centre, expanding in the long, cold, dark winter, and contracting in the summer, as the Sun climbs higher in the sky.
By the time the war broke out in Syria, researchers from the International Center for Agricultural Research in the Dry Areas (ICARDA) had already duplicated and safely transported most of their genetic treasure trove to the Svalbard Global Seed Vault on the remote Arctic island of Spitsbergen, N ...
NOAA's 15th Arctic Report Card catalogs for 2020 the numerous ways that climate change continues to disrupt the polar region, with second-highest air temperatures and second-lowest summer sea ice driving a cascade of impacts, including the loss of snow and extraordinary wildfires in northern Russia.
In the arctic tundra of northeastern Siberia lies a graveyard of a now-extinct species of megafauna, the woolly rhinoceros, dating back 50,000 years. Now, a new genomic analysis of the remains of 14 of these fantastical furry yellow creatures shows that climate change was the likely culprit for ...
Small photosynthetic marine algae are a key component of the Arctic marine ecosystem but their role for the ecology of the Arctic Ocean have been underestimated for decades. That's the conclusion of a team of scientists who synthesized more than half a century of research about the occurrence, m ...
When the Arctic researchers Jacqueline Grebmeier and Lee Cooper made their annual scientific pilgrimage to frigid seas off Alaska last month, what they found was startling.