A woman takes a photo with her phone during the start of the Arctic Council ministerial meeting in Iqaluit, Nunavut April 24, 2015. REUTERS/Chris Wattie 

U.S. Secretary of State John Kerry (C) and Canada's Minister of Environment and Minister for the Arctic Council Leona Aglukkaq (top R) pose for a photo with people dressed in traditional Inuit clothing following the Arctic Council ministerial meeting in Iqaluit, Nunavut April 24, 2015. The U.S. is taking over as chair of the Arctic Council. REUTERS/Chris Wattie 

Russia’s Minister of Natural Resources and Environment Sergei Donskoi takes part in the Arctic Council ministerial meeting in Iqaluit, Nunavut April 24, 2015. REUTERS/Chris Wattie 

U.S. Secretary of State John Kerry (C) walks with security and members of his delegation to an Arctic Council meeting in Iqaluit, Nunavut April 24, 2015. REUTERS/Chris Wattie 

Delegates take part in the Arctic Council ministerial meeting in Iqaluit, Nunavut April 24, 2015. REUTERS/Chris Wattie 

U.S. Secretary of State John Kerry (L) walks with Canada's Minister of Environment and Minister for the Arctic Council Leona Aglukkaq (C) and Foreign Minister Rob Nicholson following the Arctic Council ministerial meeting in Iqaluit, Nunavut April 24, 2015. REUTERS/Chris Wattie 

U.S. Secretary of State John Kerry (C), Canada's Foreign Minister Rob Nicholson (top, R), and Canada's Minister of Environment and Minister for the Arctic Council Leona Aglukkaq (top, 2nd R) pose for a photo with people dressed in traditional Inuit clothing following the Arctic Council ministerial meeting in Iqaluit, Nunavut April 24, 2015. The U.S. is taking over as chair of the Arctic Council. REUTERS/Chris Wattie 

U.S. Secretary of State John Kerry (L) accepts the gavel from Canada's Minister of Environment and Minister for the Arctic Council Leona Aglukkaq during the Arctic Council ministerial meeting in Iqaluit, Nunavut April 24, 2015. The U.S. is taking over as chair of the Arctic Council. REUTERS/Chris Wattie 

U.S. Secretary of State John Kerry (L) holds the gavel after accepting it from Canada's Minister of Environment and Minister for the Arctic Council Leona Aglukkaq during the Arctic Council ministerial meeting in Iqaluit, Nunavut April 24, 2015. The U.S. is taking over as chair of the Arctic Council. REUTERS/Chris Wattie 

U.S. Secretary of State John Kerry watches a traditional Inuit drummer following the Arctic Council ministerial meeting in Iqaluit, Nunavut April 24, 2015. REUTERS/Chris Wattie 

Norway's Foreign Minister Borge Brende listens during the start of the Arctic Council ministerial meeting in Iqaluit, Nunavut April 24, 2015. REUTERS/Chris Wattie 

U.S. Secretary of State John Kerry waits for the start of the Arctic Council ministerial meeting in Iqaluit, Nunavut April 24, 2015. REUTERS/Chris Wattie 

U.S. Secretary of State John Kerry disembarks his plane after arriving in Iqaluit, Nunavut to attend the Arctic Council ministerial meeting, April 24, 2015. REUTERS/Chris Wattie 

U.S. Secretary of State John Kerry (L) shakes hands with Canada's Minister of Environment and Minister for the Arctic Council Leona Aglukkaq after arriving in Iqaluit, Nunavut to attend the Arctic Council ministerial meeting, April 24, 2015. REUTERS/Chris Wattie 

U.S. Secretary of State John Kerry disembarks his plane after arriving in Iqaluit, Nunavut to attend the Arctic Council ministerial meeting, April 24, 2015. REUTERS/Chris Wattie 

Norway's Foreign Minister Borge Brende disembarks a plane after arriving in Iqaluit, Nunavut, ahead of the Arctic Council ministerial meeting, April 23, 2015. REUTERS/Chris Wattie 

Finland's Foreign Minister Erkki Tuomioja walks to his vehicle after arriving in Iqaluit, Nunavut, ahead of the Arctic Council ministerial meeting, April 23, 2015. REUTERS/Chris Wattie 

Finland's Foreign Minister Erkki Tuomioja disembarks a plane after arriving in Iqaluit, Nunavut, ahead of the Arctic Council ministerial meeting, April 23, 2015. REUTERS/Chris Wattie 

Norway's Foreign Minister Borge Brende disembarks a plane after arriving in Iqaluit, Nunavut, ahead of the Arctic Council ministerial meeting, April 23, 2015. REUTERS/Chris Wattie 

Canadian Rangers watch as a Canadian Forces Griffon helicopter lands during the Operation Nanook military exercise on Baffin Island, Nunavut August 26, 2014. REUTERS/Chris Wattie (CANADA - Tags: POLITICS MILITARY) 

Two Canadian Forces Griffon helicopters fly from York Sound to Iqaluit after taking part in the Operation Nanook military exercise on Baffin Island, Nunavut August 26, 2014. REUTERS/Chris Wattie (CANADA - Tags: POLITICS MILITARY TRANSPORT TPX IMAGES OF THE DAY) 

Smoke rises from the garbage dump in Iqaluit, Nunavut August 26, 2014. According to local media, the dump caught fire in May and has been burning since. REUTERS/Chris Wattie (CANADA - Tags: ENVIRONMENT SOCIETY) 

A podium and speakers are set up on the landscape in advance of a speech by Canada's Prime Minister Stephen Harper (not pictured) during the Operation Nanook military exercise on Baffin Island, Nunavut August 26, 2014. Harper is on the last day of his annual tour of Northern Canada. REUTERS/Chris Wattie (CANADA - Tags: POLITICS MILITARY) 

Canada's Prime Minister Stephen Harper (C) rides an all terrain vehicle while observing the Operation Nanook military exercise on Baffin Island, Nunavut August 26, 2014. Harper is on the last day of his annual tour of Northern Canada. REUTERS/Chris Wattie (CANADA - Tags: POLITICS MILITARY) 

Two Canadian Forces Griffon helicopters fly from York Sound to Iqaluit after taking part in the Operation Nanook military exercise on Baffin Island, Nunavut August 26, 2014. REUTERS/Chris Wattie (CANADA - Tags: POLITICS MILITARY TPX IMAGES OF THE DAY) 

Canada's Prime Minister Stephen Harper greets Canadian Rangers after arriving to observe the Operation Nanook military exercise on Baffin Island, Nunavut August 26, 2014. Harper is on the last day of his annual tour of Northern Canada. REUTERS/Chris Wattie (CANADA - Tags: POLITICS MILITARY) 

Canada's Prime Minister Stephen Harper (2nd R) rides an all terrain vehicle while observing the Operation Nanook military exercise on Baffin Island, Nunavut August 26, 2014. Harper is on the last day of his annual tour of Northern Canada. REUTERS/Chris Wattie (CANADA - Tags: POLITICS MILITARY) 

Members of the Canadian Joint Incident Response Unit take part in a scenario on a ship during the Operation Nanook military exercise on Baffin Island, Nunavut August 26, 2014. REUTERS/Chris Wattie (CANADA - Tags: POLITICS MILITARY) 

Members of the Canadian Joint Incident Response Unit approach a ship on a Griffon helicopter while taking part in a scenario during the Operation Nanook military exercise on Baffin Island, Nunavut August 26, 2014. REUTERS/Chris Wattie (CANADA - Tags: POLITICS MILITARY) 

Members of the Canadian Joint Incident Response Unit rappel from a Griffon helicopter on to a ship while taking part in a scenario during the Operation Nanook military exercise on Baffin Island, Nunavut August 26, 2014. REUTERS/Chris Wattie (CANADA - Tags: POLITICS MILITARY TPX IMAGES OF THE DAY) 

A Canadian Forces C-130J Hercules aircraft drops supplies during the Operation Nanook military exercise on Baffin Island, Nunavut August 26, 2014. REUTERS/Chris Wattie (CANADA - Tags: POLITICS MILITARY) 

Members of the Canadian Rangers and Canadian Forces wait for the arrival of Canada's Prime Minister Stephen Harper (not pictured) during the Operation Nanook military exercise on Baffin Island, Nunavut August 26, 2014. Harper is on the last day of his annual tour of Northern Canada. REUTERS/Chris Wattie (CANADA - Tags: POLITICS MILITARY) 

Canada's Prime Minister Stephen Harper (L) watches the Operation Nanook military exercise with Lieutenant-General Stuart Beare (2nd L), commander of Canadian Joint Operations Command, Defence Minister Rob Nicholson (2nd R) and Joint Task Force North Brigadier commander Brigadier-General Greg Loos on Baffin Island, Nunavut August 26, 2014. Harper is on the last day of his annual tour of Northern Canada. REUTERS/Chris Wattie (CANADA - Tags: POLITICS MILITARY) 

Canada's Prime Minister Stephen Harper rides an all terrain vehicle while observing the Operation Nanook military exercise on Baffin Island, Nunavut August 26, 2014. Harper is on the last day of his annual tour of Northern Canada. REUTERS/Chris Wattie (CANADA - Tags: POLITICS MILITARY TPX IMAGES OF THE DAY) 

Local children stand on the shore as the Coast Guard ship Des Groseilliers sits in the waters near the Arctic community of Pond Inlet, Nunavut August 23, 2014. Picture taken August 23, 2014. REUTERS/Chris Wattie (CANADA - Tags: MILITARY POLITICS) 

Canada's Prime Minister Stephen Harper stands on the front deck of the HMCS Kingston on Eclipse Sound near the Arctic community of Pond Inlet, Nunavut August 24, 2014. Harper is on his annual tour of Northern Canada. Picture taken August 24, 2014. REUTERS/Chris Wattie (CANADA - Tags: POLITICS MILITARY) 

A general view is seen of the Arctic community of Pond Inlet, Nunavut August 23, 2014. Picture taken August 23, 2014. REUTERS/Chris Wattie (CANADA - Tags: SOCIETY) 

Canada's Prime Minister Stephen Harper stands on the front deck of the HMCS Kingston as a Coast Guard helicopter passes by on Eclipse Sound near the Arctic community of Pond Inlet, Nunavut August 24, 2014. Harper is on his annual tour of Northern Canada. Picture taken August 24, 2014. REUTERS/Chris Wattie (CANADA - Tags: POLITICS MILITARY) 

The HMCS Kingston is seen in Eclipse Sound near the Arctic community of Pond Inlet, Nunavut August 24, 2014. Picture taken August 24, 2014. REUTERS/Chris Wattie (CANADA - Tags: POLITICS MILITARY) 

Canada's Prime Minister Stephen Harper (background C) poses with locals in Arctic Bay, Nunavut August 25, 2014. Harper is on the fifth day of his annual tour of Northern Canada. REUTERS/Chris Wattie (CANADA - Tags: POLITICS) 

Young boys skip stones in the Arctic community of Arctic Bay in Nunavut August 25, 2014. REUTERS/Chris Wattie (CANADA - Tags: SOCIETY) 

Canada's Prime Minister Stephen Harper prepares to depart from Pond Inlet, in Nunavut August 25, 2014. Harper is on the fifth day of his annual tour of Northern Canada. REUTERS/Chris Wattie (CANADA - Tags: POLITICS) 

A general view of the arctic community of Arctic Bay, Nunavut August 25, 2014. REUTERS/Chris Wattie (CANADA - Tags: SOCIETY ENVIRONMENT) 

A general view of the arctic community of Pond Inlet, Nunavut August 23, 2014. Picture taken August 23, 2014. REUTERS/Chris Wattie (CANADA - Tags: SOCIETY ENVIRONMENT) 

A fishing boat is seen near the arctic community of Pond Inlet, Nunavut August 23, 2014. Picture taken August 23, 2014. REUTERS/Chris Wattie (CANADA - Tags: SOCIETY ENVIRONMENT) 

Canada's Prime Minister Stephen Harper (R) speaks to journalists aboard the HMCS Kingston in Eclipse Sound near the arctic community of Pond Inlet, Nunavut August 24, 2014. Harper is on his annual tour of Northern Canada. Picture taken August 24, 2014. REUTERS/Chris Wattie (CANADA - Tags: POLITICS MILITARY) 

Canada's Prime Minister Stephen Harper (2nd R) and his wife Laureen watch an autonomous underwater vehicle during a display in front of a large iceberg on Eclipse Sound near the arctic community of Pond Inlet, Nunavut August 24, 2014. Harper is on his annual tour of Northern Canada. Picture taken August 24, 2014. REUTERS/Chris Wattie (CANADA - Tags: POLITICS ENVIRONMENT) 

Canada's Prime Minister Stephen Harper greets Canadian Rangers after arriving in Pond Inlet, Nunavut August 25, 2014. Harper is on the fifth day of his annual tour of Northern Canada. REUTERS/Chris Wattie (CANADA - Tags: POLITICS MILITARY) 

Canada's Prime Minister Stephen Harper poses for pictures after arriving in Pond Inlet, Nunavut August 25, 2014. Harper is on the fifth day of his annual tour of Northern Canada. REUTERS/Chris Wattie (CANADA - Tags: POLITICS MILITARY) 

Canada's Prime Minister Stephen Harper (R) and his wife Laureen stand on the front deck of the HMCS Kingston on Eclipse Sound near the arctic community of Pond Inlet, Nunavut August 24, 2014. Harper is on his annual tour of Northern Canada. Picture taken August 24, 2014. REUTERS/Chris Wattie (CANADA - Tags: POLITICS TPX IMAGES OF THE DAY) 

Locals watch as Canada's Prime Minister Stephen Harper (not pictured) meets with people in Arctic Bay, Nunavut August 25, 2014. Harper is on the fifth day of his annual tour of Northern Canada. REUTERS/Chris Wattie (CANADA - Tags: POLITICS SOCIETY) 

Canada's Prime Minister Stephen Harper (background C) poses with locals in Arctic Bay, Nunavut August 25, 2014. Harper is on the fifth day of his annual tour of Northern Canada. REUTERS/Chris Wattie (CANADA - Tags: POLITICS SOCIETY) 

Canada's Prime Minister Stephen Harper stands on the front deck of the HMCS Kingston on Eclipse Sound, near the arctic community of Pond Inlet, Nunavut August 24, 2014. Harper is on his annual tour of Northern Canada. Picture taken August 24, 2014. REUTERS/Chris Wattie (CANADA - Tags: POLITICS MILITARY) 

Canada's Prime Minister Stephen Harper stands on the front deck of the HMCS Kingston on Eclipse Sound, near the arctic community of Pond Inlet, Nunavut August 24, 2014. Harper is on his annual tour of Northern Canada. Picture taken August 24, 2014. REUTERS/Chris Wattie (CANADA - Tags: POLITICS MILITARY TPX IMAGES OF THE DAY) 

The Coast Guard ship Des Groseilliers is seen near the arctic community of Pond Inlet, Nunavut August 23, 2014. Picture taken August 23, 2014. REUTERS/Chris Wattie (CANADA - Tags: MILITARY POLITICS TPX IMAGES OF THE DAY) 

Canada's Prime Minister Stephen Harper (3rd R) is briefed about the search for the lost Franklin expedition aboard the HMCS Kingston in Eclipse Sound, near the arctic community of Pond Inlet, Nunavut August 24, 2014. Harper is on his annual tour of Northern Canada. Picture taken August 24, 2014. REUTERS/Chris Wattie (CANADA - Tags: POLITICS MILITARY) 

The HMCS Kingston is seen in Eclipse Sound, near the arctic community of Pond Inlet, Nunavut August 24, 2014. Picture taken August 24, 2014. REUTERS/Chris Wattie (CANADA - Tags: POLITICS MILITARY) 

Canada's Prime Minister Stephen Harper (2nd R) rides in a Zodiac in front of a large iceberg on Eclipse Sound, near the arctic community of Pond Inlet, Nunavut August 24, 2014. Harper is on his annual tour of Northern Canada. Picture taken August 24, 2014. REUTERS/Chris Wattie (CANADA - Tags: POLITICS ENVIRONMENT) 

Canada's Prime Minister Stephen Harper (R) jokes around with journalists while holding a piece of ice with his wife Laureen aboard the HMCS Kingston on Eclipse Sound, near the arctic community of Pond Inlet, Nunavut August 24, 2014. Harper is on his annual tour of Northern Canada. Picture taken August 24, 2014. REUTERS/Chris Wattie (CANADA - Tags: POLITICS ENVIRONMENT) 

Canada's Prime Minister Stephen Harper (2nd R) helps deploy an autonomous underwater vehicle with Ryan Harris (L) of Parks Canada as Harper's wife Laureen (R) takes pictures in front of a large iceberg on Eclipse Sound, near the arctic community of Pond Inlet, Nunavut August 24, 2014. Harper is on his annual tour of Northern Canada. Picture taken August 24, 2014. REUTERS/Chris Wattie (CANADA - Tags: POLITICS ENVIRONMENT)