climate change agenda hofd his summit in paris. then he plans to tour the state s wildlife highlighting the immediate threat of global warming. ahead of the visit the president used executive power to rename mount mcenkinley as denali. more now from anchorage alaska. good afternoon. well the way president obama puts it is that alaska is on the front lines of climate change. and part of the reason he s going to spend three days here is frankly for the visuals to show exactly the impact of climate change. for example, he will be going out to a glacier. he s going to be taping a segment with bear grills about the effects of climate change on the glaciers. on the permafrost which is the frozen ground that so much of alaska sits on. on national resources. meeting with fishermen salmon