![Norwegian Prime Minister Jens Stoltenberg sits on a makeshift sledge, pulled by a caterpillar tracked vehicle after arriving by Hercules transport plane, during a visit to the Troll research station January 19, 2008. Nations claiming parts of Antarctica are ... Norwegian Prime Minister Jens Stoltenberg sits on a makeshift sledge, pulled by a caterpillar tracked vehicle after arriving by Hercules transport plane, during a visit to the Troll research station January 19, 2008. Nations claiming parts of Antarctica are ...](https://l450v.alamy.com/450v/2d2tbdd/norwegian-prime-minister-jens-stoltenberg-sits-on-a-makeshift-sledge-pulled-by-a-caterpillar-tracked-vehicle-after-arriving-by-hercules-transport-plane-during-a-visit-to-the-troll-research-station-january-19-2008-nations-claiming-parts-of-antarctica-are-quietly-staking-out-rights-to-the-seabed-in-stark-contrast-to-the-north-pole-where-russia-ostentatiously-planted-a-flag-to-back-its-claim-the-troll-research-station-is-a-part-of-antarctica-claimed-by-norway-picture-taken-january-19-2008-to-match-feature-antarcticaclaims-reutersalister-doyle-antarctica-2d2tbdd.jpg)
Norwegian Prime Minister Jens Stoltenberg sits on a makeshift sledge, pulled by a caterpillar tracked vehicle after arriving by Hercules transport plane, during a visit to the Troll research station January 19, 2008. Nations claiming parts of Antarctica are ...
![Norway's Prime Minister Jens Stoltenberg studies the edge of a glacier near Norway's Troll research station in east Antarctica January 20, 2008. Alarm bells are ringing about risks of a quickening thaw Norway's Prime Minister Jens Stoltenberg studies the edge of a glacier near Norway's Troll research station in east Antarctica January 20, 2008. Alarm bells are ringing about risks of a quickening thaw](https://c8.alamy.com/comp/2D163D5/norways-prime-minister-jens-stoltenberg-studies-the-edge-of-a-glacier-near-norways-troll-research-station-in-east-antarctica-january-20-2008-alarm-bells-are-ringing-about-risks-of-a-quickening-thaw-of-antarctica-that-would-drive-up-world-sea-levels-stoltenberg-said-on-sunday-after-a-visit-to-the-icy-continent-reutersalister-doyle-antarctica-2D163D5.jpg)
Norway's Prime Minister Jens Stoltenberg studies the edge of a glacier near Norway's Troll research station in east Antarctica January 20, 2008. Alarm bells are ringing about risks of a quickening thaw
![A group including Norwegian Prime Minister Jens Stoltenberg clambers down from a crag called "Troll Girl", about 1,800 metres high, near the Troll research station in Antarctica January 19, 2008, after a A group including Norwegian Prime Minister Jens Stoltenberg clambers down from a crag called "Troll Girl", about 1,800 metres high, near the Troll research station in Antarctica January 19, 2008, after a](https://c8.alamy.com/comp/2D1D40B/a-group-including-norwegian-prime-minister-jens-stoltenberg-clambers-down-from-a-crag-called-troll-girl-about-1800-metres-high-near-the-troll-research-station-in-antarctica-january-19-2008-after-a-formal-ceremony-to-name-the-peak-nations-claiming-parts-of-antarctica-are-quietly-staking-out-rights-to-the-seabed-in-stark-contrast-to-the-north-pole-where-russia-ostentatiously-planted-a-flag-to-back-its-claim-picture-taken-january-19-2008-to-match-feature-antarcticaclaims-reutersalister-doyle-antarctica-2D1D40B.jpg)
A group including Norwegian Prime Minister Jens Stoltenberg clambers down from a crag called "Troll Girl", about 1,800 metres high, near the Troll research station in Antarctica January 19, 2008, after a
![Norwegian Prime Minister Jens Stoltenberg stands on a mountainside near the Troll research base January 19, 2008, during a visit to an inland region of Antarctica about 250 km (155 miles) from Norwegian Prime Minister Jens Stoltenberg stands on a mountainside near the Troll research base January 19, 2008, during a visit to an inland region of Antarctica about 250 km (155 miles) from](https://c8.alamy.com/comp/2D1R9FM/norwegian-prime-minister-jens-stoltenberg-stands-on-a-mountainside-near-the-troll-research-base-january-19-2008-during-a-visit-to-an-inland-region-of-antarctica-about-250-km-155-miles-from-the-coast-nations-claiming-parts-of-antarctica-are-quietly-staking-out-rights-to-the-seabed-in-stark-contrast-to-the-north-pole-where-russia-ostentatiously-planted-a-flag-to-back-its-claim-picture-taken-january-19-2008-to-match-feature-antarcticaclaims-reutersalister-doyle-antarctica-2D1R9FM.jpg)