>> thanks so much for that report. right now, president obama is in alaska for a three-day trip focusing on climate change. he's meeting with natives after officially renaming mt. mckinley denali. that's the original name. chris jansing is in anchorage. what can we anticipate? >> reporter: look for president obama, climate change is one of the most important issues of our time and he's been traveling around the country talking about it. logging 14,000 miles. when he finally touches down here in alaska. why here? he putts it alaska on the front lines of climate change with temperatures rising twice as fast as anywhere else. he will be the first president to visit the alaskan arctic and you can see the signs of a climate change everywhere. he will point out, for example, the melting glaciers, he'll go to a glacier and in fact tape a