Arctic

State of the climate in 2022: special supplement to the Bulletin of the American Meteorological Society

This is the 33rd issuance of the annual assessment now known as State of the Climate, published in the Bulletin since 1996. As a supplement to the Bulletin, its foremost function is to document the status and trajectory of many components of the climate system. However, as a series, the …

Climate Change Warms Arctic, Cools Antarctica

The Arctic and Antarctica are poles apart when it comes to the effects of human-fuelled climate change, scientists said on Friday: in the north, it is melting sea ice, but in the south, it powers winds that chill things down. The North and South poles are both subject to solar …

Narwhals more at risk to Arctic warming than polar bears

The polar bear has become an icon of global warming vulnerability, but a new study found an Arctic mammal that may be even more at risk to climate change: the narwhal. The narwhal, a whale with a long spiral tusk that inspired the myth of the unicorn, edged out the …

Arctic currents may be warming the world

There may be more to global warming than we thought. On top of the effect of human-made carbon emissions, natural changes in the warm ocean currents travelling to the icy north may be helping to heat up the entire northern hemisphere.

Human-induced Arctic moistening

The Arctic and northern subpolar regions are critical for climate change. Ice-albedo feedback amplifies warming the Arctic, and fluctuations of regional fresh water inflow into the Arctic Ocean modulate the deep ocean circulation and thus exert a strong global influence.

Human-induced Arctic moistening

The Arctic and northern subpolar regions are critical for climate change. Ice-albedo feedback amplifies warming in the Arctic, and fluctuations of regional fresh water inflow to the Arctic Ocean modulate the deep ocean circulation and thus exert a strong global influence. By comparing observations to simulations from 22 coupled climate …

Rising sea levels, melting river ice seen in Arctic Canada

Rising sea levels, melting river ice seen in Arctic Canada VANCOUVER, British Columbia

Airborne Study Of Arctic Atmosphere, Air Pollution Launched

This month, NASA begins the most extensive field campaign ever to investigate the chemistry of the Arctic's lower atmosphere. The mission is poised to help scientists identify how air pollution contributes to climate changes in the Arctic. The recent decline of sea ice is one indication the Arctic is undergoing …

Canadian Researchers Warn Of New Arctic Worries

Canadian Researchers Warn Of New Arctic Worries CANADA: April 4, 2008 VANCOUVER, British Columbia - Canada's massive Mackenzie Delta is feeling the impact of climate change faster than expected and could foretell of problems elsewhere in the Arctic, a Canadian researcher said on Thursday. Melting ocean ice is apparently allowing …

Climate Seen Stoking Arctic Indigenous Land Claims

Climate Seen Stoking Arctic Indigenous Land Claims NORWAY: April 3, 2008 OSLO - Global warming has opened the European Arctic to firms exploiting timber, oil, gas and metals, and intensified a land rights battle with Sami reindeer herders whose way of life is under threat, an indigenous leader said. Milder …

Arctic climate impact science: an update since ACIA

This report presents a wide-ranging review of arctic climate impact science. It spans the width of subject areas, covering impacts on physical and biological systems, as well as on humanity. The report presents the scientific evidence for arctic climate change impacts in review sections, each of which targets a particular …

Oil companies imperil polar bear habitat

The us government has once again missed its deadline to add the polar bear to the list of endangered species. The us Fish and Wildlife Service was due to take a decision in this regard by February 8 this year. The delay has fuelled doubts about the government's intention to …

UK moves off Antarctica for energy

The uk plans to claim sovereign rights over a million square kilometres of the remote seabed off Antarctica. The move is believed to be a prelude for seeking exploration rights over potential hydrocarbon and mineral deposits around the South Pole. The claim would be in defiance of the spirit of …

At the North Pole

British explorer and environmentalist Pen Hadow and two colleagues are at the North Pole measuring the depth of ice. Equipment from Vanco, a virtual network operator, was used to transmit videos almost in real time. Excerpts from Hadow's blog: Saturday; October 27, 2007 To fly from Yellowknife (Canada) to our …

Glacial melt`s carbon connection

so far climate change study models have ignored how carbon emissions contributed to the melting of glaciers. This was not part of climate study models since reliable data on soot emissions was absent. There was, however, evidence for the glacial melt in the Arctic due to the black carbon emissions …

Fight for the Top of the World

At the end of August, a wisp of flame suddenly appeared in the Arctic twilight over the Barents Sea, bathing the low clouds over the Norwegian port of Hammerfest in a spectral orange glow. With a tremendous roar, the flame bloomed over the windswept ocean and craggy gray rocks, competing …

Arctic rush driven by desire to control hydrocarbon deposits, shipping routes

In 1937, Ivan Papanin led an expedition that planted the Soviet flag on the North Pole. He was feted by Stalin and lionised as a Soviet hero. In early August this year, the Kremlin honoured Artur Chilingarov similarly after the deputy leader of the Russian Duma had led two mini-submarines …

Will the Arctic be conquered?

the Arctic was a fashionable destination this summer. A team of Russian researchers planted their country's flag there in August. The Canadians went there, so did the Danes, even India sent an expedition recently. The Indians, though, do not claim any slice of the Arctic; not so far, at least. …

In court

pulp appraisal: A federal court in Australia agreed to expedite an appeal hearing over an Aus $2 billion pulp mill proposal in Tasmania state. Environmental groups had challenged the government's environmental assessment of the proposed mill. A lower court had rejected the groups' challenge, following which they appealed the federal …

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