U.S. President Barack Obama says hello to puppies belonging to musher John Baker (second from the right) in Kotzebue, Alaska, on September 2, 2015.
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President Barack Obama stops to look at sea lions at Fox Island while taking a boat tour to see the effects of global warming in Resurrection Bay near Seward, Alaska, on Tuesday, September 1. Obama is visiting Alaska this week to underscore the effects of global warming, which is being blamed for the faster melting of glaciers and more severe wildfires in the region. He will be the first sitting President to visit the Arctic.
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Obama speaks to members of the media while on a hike to the Exit Glacier in Seward on September 1.
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Obama greets people in downtown Seward on September 1.
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Obama speaks during a visit to the Snow City Cafe in Anchorage, Alaska, on September 1.
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Obama speaks at the State Department-sponsored GLACIER Conference in Anchorage on Monday, August 31.
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U.S. Sen. Lisa Murkowski, R-Alaska, sits in the audience before Obama spoke at the conference on August 31.
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Secretary of State John Kerry shakes hands with Obama after the President spoke at the conference on August 31.
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People gather outside the convention center before Obama's speech.
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Obama greets well-wishers upon arriving at Elmendorf Air Force Base on August 31.
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The mountain Denali, top center, is seen from a window of Air Force One as the plane approached Anchorage on August 31. Obama formally changed the name of America's tallest mountain, which used to be called Mt. McKinley. Native Alaskans sought the name change for decades.
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Prior to traveling to Anchorage, Obama steps off Marine One before boarding Air Force One at Andrews Air Force Base in Maryland.