Ecologists and botanists gather on Freel Peak to take part in a GLORIA climate survey.
Scientists often wish they had a crystal ball when it comes to climate predictions. But there's a place to get a sneak peek of changes on the way: on high mountain peaks. There, the climate is shifting faster than it is closer to sea level. We join a team of botanists determined to get to the bottom of issue by going to the top. Reporter: Molly Samuel
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