The Arctic as a region is defined in two ways, either as being north of the Arctic Circle ( at 66°30’ north latitude), or north of the 10°C summer isotherm (a line connecting all the points where there is an average annual temperature of 0°C in winter and an average temperature of 10°C in the hottest month of summer). The area is divided between a partially frozen ocean and diverse types of land including ice, arid land with sparse vegetation, tundra, a vast, open plain covered with short, continuous vegetation, wetlands and forests. Nearly 80% of this land is in the Russian Federation and Canada, 16% in Scandinavian countries and 4% in Alaska. An immense glacier several kilometers thick, covers Greenland (2,175,600 km²) and forms an ice cap or ice sheet . Ice covers a surface of between 7.5 and 15 million km2 and is on average three metres thick. The Arctic is inhabited by a limited number of well-known species, some of which are a...
03/02/2012
Less Summer Arctic Sea Ice Cover Means Colder, Snowier Winters in Central Europe
18/01/2012
Denmark names first Arctic envoy
05/01/2012
'Dramatic' loss of harp seals amid warming: study
Duane Smith
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Some people are going to throw their hat into the ring for global warming, if it remains moderate. Indeed, the climate in certain inhospitable zones will get milder. Unproductive land will become farmable. Soil...
Sheila Watt-Cloutier is a lawyer for the Inuit population of her Arctic birthplace, threatened by global...
National biodiversity index
