London, Jan. 14 -- British Foreign Secretary Yvette Cooper on Wednesday called on NATO to "step up its military and security presence in the Arctic", citing that the region is becoming "a front line of geopolitical competition" as climate change opens new shipping routes and exposes strategic resources.

During her visit to Finland and Norway, Cooper said Arctic security was "critical to protecting Britain and NATO" and stressed the need to "strengthen regional defences to deter Russia and protect key infrastructure", according to a press release published by the Foreign Office.

"The Arctic will become an ever more critical frontier for NATO," Cooper said, adding that Britain and its allies were working to reinforce defences in the High No...